Sleep Medicine

Article	Citations
The enemy who sealed the world: effects quarantine due to the COVID-19 on sleep quality, anxiety, and psychological distress in the Italian population	476
Efficacy of digital cognitive behavioural therapy for insomnia: a meta-analysis of randomised controlled trials	321
COVID-19, anxiety, sleep disturbances and suicide	233
Sleep problems among Chinese adolescents and young adults during the coronavirus-2019 pandemic	197
Insomnia, anxiety, and depression during the COVID-19 pandemic: an international collaborative study	180
The immediate impact of the 2019 novel coronavirus (COVID-19) outbreak on subjective sleep status	156
Sleep quality during the COVID-19 pandemic: not one size fits all	128
Obstructive sleep apnea, depression and cognitive impairment	124
The evaluation of sleep disturbances for Chinese frontline medical workers under the outbreak of COVID-19	116
Sleep health early in the coronavirus disease 2019 (COVID-19) outbreak in the United States: integrating longitudinal, cross-sectional, and retrospective recall data	114
Sleep quality in times of Covid-19 pandemic	111
Changes in sleep patterns and disturbances in children and adolescents in Italy during the Covid-19 outbreak	111
Perceived stress and sleep quality among the non-diseased general public in China during the 2019 coronavirus disease: a moderated mediation model	103
The acute effects of the COVID-19 pandemic on insomnia and psychological symptoms	103
Sleep deprivation and its association with diseases- a review	99
Changes in sleep timing and subjective sleep quality during the COVID-19 lockdown in Italy and Belgium: age, gender and working status as modulating factors	90
Impact of COVID-19 pandemic on sleep in children and adolescents: a systematic review and meta-analysis	89
Sleep quality and mental health in the context of COVID-19 pandemic and lockdown in Morocco	88
Sleep disorders and COVID-19	85
A randomized controlled trial of digital cognitive behavioral therapy for insomnia in pregnant women	81
School closure during the coronavirus disease 2019 (COVID-19) pandemic – Impact on children's sleep	79
Sleep disturbances, fear, and generalized anxiety during the COVID-19 shut down phase in Germany: relation to infection rates, deaths, and German stock index DAX	72
The association between sleep quality and quality of life: a population-based study	68
The impact of COVID-19 related school shutdown on sleep in adolescents: a natural experiment	68
Validation of sleep stage classification using non-contact radar technology and machine learning (Somnofy®)	67

Sleep characteristics in health workers exposed to the COVID-19 pandemic	65
Psychological correlates of poor sleep quality among U.S. young adults during the COVID-19 pandemic	62
The associations of insomnia symptoms and chronotype with daytime sleepiness, mood symptoms and suicide risk in adolescents	62
Obstructive sleep apnea (OSA) and outcomes from coronavirus disease 2019 (COVID-19) pneumonia: a systematic review and meta-analysis	59
Normal sleep development in infants: findings from two large birth cohorts	57
Prevalence of sleep disturbances during COVID-19 outbreak in an urban Chinese population: a cross-sectional study	57
Relationships between REM and NREM in the NREM-REM sleep cycle: a review on competing concepts	56
International study of the prevalence and factors associated with insomnia in the general population	53
Self-reported sleep quality is associated with gut microbiome composition in young, healthy individuals: a pilot study	52
Associations of sleep duration and quality with incident cardiovascular disease, cancer, and mortality: a prospective cohort study of 407,500 UK biobank participants	51
The endless quarantine: the impact of the COVID-19 outbreak on healthcare workers after three months of mandatory social isolation in Argentina	51
Pandemic dreams: quantitative and qualitative features of the oneiric activity during the lockdown due to COVID-19 in Italy	50
Delirium and sleep disturbances in COVID–19: a possible role for melatonin in hospitalized patients?	49
Sleep behaviours and multimorbidity occurrence in middle-aged and older adults: findings from the Canadian Longitudinal Study on Aging (CLSA)	47
Effects of repetitive transcranial magnetic stimulation in subjects with sleep disorders	46
Gut microbiota composition in children with obstructive sleep apnoea syndrome: a pilot study	46
Circadian disturbances, sleep difficulties and the COVID-19 pandemic	45
Altered resting-state thalamo-occipital functional connectivity is associated with cognition in isolated rapid eye movement sleep behavior disorder	44
The importance of sleep and physical activity on well-being during COVID-19 lockdown: reunion island as a case study	44
COVID-19 and sleep patterns in adolescents and young adults	44
Consensus diagnostic criteria for a newly defined pediatric sleep disorder: restless sleep disorder (RSD)	43
Sleep medicine and COVID-19. Has a new era begun?	42
The prevalence and severity of insomnia symptoms during COVID-19: A global systematic review and individual participant data meta-analysis	42
Glymphatic system dysfunction in obstructive sleep apnea evidenced by DTI-ALPS	41
The effects of repeated transcranial direct current stimulation on sleep quality and depression symptoms in patients with major depression and insomnia	40
Prevalence and associated factors of poor sleep quality among Chinese returning workers during the COVID-19 pandemic	39
A year in review: sleep dysfunction and psychological distress in healthcare workers during the COVID-19 pandemic	39
Mental health and sleep disturbances in physically active adults during the COVID-19 lockdown in Norway: does change in physical activity level matter?	39
Association of insomnia disorder with sociodemographic factors and poor mental health in COVID-19 inpatients in China	39
Association between night-shift work and level of melatonin: systematic review and meta-analysis	38
Nocturnal cognitive arousal is associated with objective sleep disturbance and indicators of physiologic hyperarousal in good sleepers and individuals with insomnia disorder	38
The prevalence of sleep problems among children in mainland China: a meta-analysis and systemic-analysis	37
Investigation on sleep and mental health of patients with Parkinson's disease during the Coronavirus disease 2019 pandemic	37
The mediation role of sleep quality in the association between the incidence of unhealthy movement behaviors during the COVID-19 quarantine and mental health	36
Sleep duration in preschool children and impact of screen time	36
Long-term effectiveness and safety of lemborexant in adults with insomnia disorder: results from a phase 3 randomized clinical trial	36
Sleep duration and obesity in children and adolescents: evidence from an updated and dose–response meta-analysis	35
A meta-analysis of the first-night effect in healthy individuals for the full age spectrum	35
Associations between sleep bruxism and other sleep-related disorders in adults: a systematic review	35
Increase in eveningness and insufficient sleep among adults in population-based cross-sections from 2007 to 2017	34
Prevalence and associations of co-morbid insomnia and sleep apnoea in an Australian population-based sample	34
Can acupuncture improve objective sleep indices in patients with primary insomnia? A systematic review and meta-analysis	34
Exploring the bi-directional relationship between sleep and resilience in adolescence	34
Endorsement of European guideline for the diagnosis and treatment of insomnia by the World Sleep Society	33
Vigilance: discussion of related concepts and proposal for a definition	33
Napping and weekend catchup sleep do not fully compensate for high rates of sleep debt and short sleep at a population level (in a representative nationwide sample of 12,637 adults)	33
Sleep bruxism and its associations with insomnia and OSA in the general population of Sao Paulo	33
The role of melatonin and melatonin receptor agonist in the prevention of sleep disturbances and delirium in intensive care unit – a clinical review	32
Job-related factors associated with changes in sleep quality among healthcare workers screening for 2019 novel coronavirus infection: a longitudinal study	32
Impact of home confinement during COVID-19 pandemic on sleep parameters in Parkinson's disease	32

Relationship between sleep disorders and gut dysbiosis: what affects what?	32
A data-driven system to identify REM sleep behavior disorder and to predict its progression from the prodromal stage in Parkinson's disease	32
Everyday and major experiences of racial/ethnic discrimination and sleep health in a multiethnic population of U.S. women: findings from the Sister Study	32
Depression and insomnia in COVID-19 survivors: a cross-sectional survey from Chinese rehabilitation centers in Anhui province	32
A scoping review of racial/ethnic disparities in sleep	31
Comprehensive review of the current literature on impact of ambient air pollution and sleep quality	31
Sleep interventions and glucose metabolism: systematic review and meta-analysis	31
Relationship between sleep quality and the psychological status of patients hospitalised with COVID-19	30
A randomized, double blind, placebo controlled study to evaluate the effects of ashwagandha (Withania somnifera) extract on sleep quality in healthy adults	30
Sleep disturbances among Chinese residents during the Coronavirus Disease 2019 outbreak and associated factors	30
A meta-analysis of the relationship between subjective sleep and depressive symptoms in adolescence	29
The Sleep Side of Aging and Alzheimer’s Disease	29
Effect of exercise training on improving sleep disturbances: a systematic review and meta-analysis of randomized control trials	29
Subjective sleep alterations in healthy subjects worldwide during COVID-19 pandemic: A systematic review, meta-analysis and meta-regression	28
The relationship between subjective happiness and sleep problems in Japanese adolescents	28
Sleep problems and medical isolation during the SARS-CoV-2 outbreak	28
Overview of sleep management during COVID-19	28
How does the COVID-19 affect mental health and sleep among Chinese adolescents: a longitudinal follow-up study	28
Management of sleep apnea in New York City during the COVID-19 pandemic	28
The effectiveness of diaphragmatic breathing relaxation training for improving sleep quality among nursing staff during the COVID-19 outbreak: a before and after study	28
Maintenance of wakefulness test: how does it predict accident risk in patients with sleep disorders?	27
Video-polysomnographic findings after acute COVID-19: REM sleep without atonia as sign of CNS pathology?	27
Effect of exercise training on subjective parameters in patients with obstructive sleep apnea: a systematic review and meta-analysis	27
Insomnia symptoms during the early and late stages of the COVID-19 pandemic in China: a systematic review and meta-analysis	27
Validation of the Japanese version of Stress and Anxiety to Viral Epidemics-9 (SAVE-9) and relationship among stress, insomnia, anxiety, and depression in healthcare workers exposed to coronavirus dis	27
Maternal sleep quality during early pregnancy, risk factors and its impact on pregnancy outcomes: a prospective cohort study	26
The effect of sleep impairment on gestational diabetes mellitus: a systematic review and meta-analysis of cohort studies	26
The effect of repetitive transcranial magnetic stimulation for insomnia: a systematic review and meta-analysis	26
Would we recover better sleep at the end of Covid-19? A relative improvement observed at the population level with the end of the lockdown in France	26
Sleep spindle abnormalities related to Alzheimer's disease: a systematic mini-review	26
Disease symptomatology and response to treatment in people with idiopathic hypersomnia: initial data from the Hypersomnia Foundation registry	26
Changed signals of blood adenosine and cytokines are associated with parameters of sleep and/or cognition in the patients with chronic insomnia disorder	26
Efficacy of melatonin for sleep disturbance in middle-aged primary insomnia: a double-blind, randomised clinical trial	25
Sleep quality and disease activity in patients with inflammatory bowel disease: a systematic review and meta-analysis	25
Associations between sleep and academic performance in US adolescents: a systematic review and meta-analysis	25
Trajectories of sleep problems from adolescence to adulthood. Linking two population-based studies from Norway	25
Neural network analysis of nocturnal SpO2 signal enables easy screening of sleep apnea in patients with acute cerebrovascular disease	24
Depression as a mediator between frequent nightmares and non-suicidal self-injury among adolescents: a 3-wave longitudinal model	24
Associations of shift work and night work with risk of all-cause, cardiovascular and cancer mortality: a meta-analysis of cohort studies	24
Sleep and cardiometabolic health in children and adults: examining sleep as a component of the 24-h day	24
Owls and larks do not exist: COVID-19 quarantine sleep habits	24
Morphological analysis of the brain subcortical gray structures in restless legs syndrome	24
Contribution of sleep characteristics to the association between obstructive sleep apnea and dyslipidemia	23
Comorbid Insomnia and Sleep Apnea: mechanisms and implications of an underrecognized and misinterpreted sleep disorder	23
Metabolic profile in patients with narcolepsy: a systematic review and meta-analysis	23
A very brief self-report scale for measuring insomnia severity using two items from the Insomnia Severity Index - development and validation in a clinical population	23
Do symptoms of depression, anxiety or stress impair the effectiveness of cognitive behavioural therapy for insomnia? A chart-review of 455 patients with chronic insomnia	22
The associations between sleep situations and mental health among Chinese adolescents: A longitudinal study	22
Obstructive sleep apnea, chronic obstructive pulmonary disease and NAFLD: an individual participant data meta-analysis	22
Self-reported sleep quality and dysfunctional sleep-related beliefs in young and older adults: changes in times of COVID-19 lockdown	22
Association between physical activity, screen time activities, diet patterns and daytime sleepiness in a sample of Brazilian adolescents	22
Associations between COVID-19 related stigma and sleep quality among COVID-19 survivors six months after hospital discharge	22
Abnormal night sleep duration and poor sleep quality are independently and combinedly associated with elevated depressive symptoms in Chinese rural adults: Henan Rural Cohort	22
The effects of bright light therapy on depression and sleep disturbances in patients with Parkinson's disease: a systematic review and meta-analysis of randomized controlled trials	22
Nelotanserin as symptomatic treatment for rapid eye movement sleep behavior disorder: a double-blind randomized study using video analysis in patients with dementia with Lewy bodies or Parkinson's dis	22
Poor sleep quality is associated with new-onset hypertension in a diverse young and middle-aged population	22
Associations of adverse childhood experiences with adolescent total sleep time, social jetlag, and insomnia symptoms	22
The effect of short or long sleep duration on quality of life and depression: an internet-based survey in Japan	22
Night shift work and immune response to the meningococcal conjugate vaccine in healthy workers: a proof of concept study	21
Sleep problems affect quality of life in Parkinson's disease along disease progression	21
Sleep quality in relation to social support and resilience among rural empty-nest older adults in China	21
Correlates of insomnia among the adults during COVID19 pandemic: evidence from an online survey in India	21
Association of napping and all-cause mortality and incident cardiovascular diseases: a dose–response meta analysis of cohort studies	21
Shorter sleep duration is associated with lower GABA levels in the anterior cingulate cortex	21
Predictors of adherence to positive airway pressure therapy in children: a systematic review and meta-analysis	20
Validation of the Insomnia Severity Index (ISI) for identifying insomnia in young adult cancer survivors: comparison with a structured clinical diagnostic interview of the DSM-5 (SCID-5)	20
Clinical efficacy and safety of intravenous ferric carboxymaltose treatment of pediatric restless legs syndrome and periodic limb movement disorder	20
Sleep duration and timing in obsessive-compulsive disorder (OCD): evidence for circadian phase delay	20
Insomnia symptoms increase during pregnancy, but no increase in sleepiness - Associations with symptoms of depression and anxiety	20
Sleep trajectories and mediators of poor sleep: findings from the longitudinal analysis of 41,094 participants of the UK Biobank cohort	20
Racial disparities in sleep health between Black and White young adults: The role of neighborhood safety in childhood	20
Sleep quality and sleep disturbances among volunteer and professional French firefighters: FIRESLEEP study	20
Relationship of sleep duration with the risk of stroke incidence and stroke mortality: an updated systematic review and dose–response meta-analysis of prospective cohort studies	20
Association of stress-related sleep disturbance with psychiatric symptoms among pregnant women	20
ISI-3: evaluation of a brief screening tool for insomnia	19
Objective sleep disturbance is associated with poor response to cognitive and behavioral treatments for insomnia in postmenopausal women	19
Bilateral associations between sleep duration and depressive symptoms among Chinese adolescents before and during the COVID-19 pandemic	19
Radar-based sleep stage classification in children undergoing polysomnography: a pilot-study	19
The association of adverse childhood experiences and its subtypes with adulthood sleep problems: A systematic review and meta-analysis of cohort studies	19
Diagnostic accuracy of level IV portable sleep monitors versus polysomnography for pediatric obstructive sleep apnea: a systematic review and meta-analysis	19

“Circadian misalignment and the gut microbiome. A bidirectional relationship triggering inflammation and metabolic disorders”- a literature review	19
Obstructive sleep apnea and incidence of malignant tumors: a meta-analysis	19
Relationships between insomnia, long working hours, and long commuting time among public school teachers in Japan: a nationwide cross-sectional diary study	19
Association between sleep quality and subjective cognitive decline: evidence from a community health survey	19
Combined nocturnal pulse oximetry and questionnaire-based obstructive sleep apnea screening – A cohort study	19
COVID-19 associated nervous system manifestations	19
Poor sleep quality is associated with worse self-rated health in long sleep duration but not short sleep duration	19
Multiple sleep latency test and polysomnography in patients with central disorders of hypersomnolence	19
Shift work disorder and related influential factors among shift workers in China	19
Portable diagnosis of sleep apnea with the validation of individual event detection	19
Changes in atrial fibrillation admissions following daylight saving time transitions	19
Effects of atmospheric particulate matter pollution on sleep disorders and sleep duration: a cross-sectional study in the UK biobank	19
Pre-sleep arousal and sleep quality during the COVID-19 lockdown in Italy	19
Specialist approaches to prognostic counseling in isolated REM sleep behavior disorder	18
The efficacy and safety of montelukast in children with obstructive sleep apnea: a systematic review and meta-analysis	18
Effect of adenotonsillectomy on blood pressure in children with obstructive sleep apnea: a meta-analysis	18
Association between risk of obstructive sleep apnea, inflammation and cognition after 45 years old in the Canadian Longitudinal Study on Aging	18
Predictive factors of insomnia during the COVID-19 pandemic in Bangladesh: a GIS-based nationwide distribution	18
Social jetlag and sleep deprivation are associated with altered activity in the reward-related brain areas: an exploratory resting-state fMRI study	18
Severe obstructive sleep apnea in patients with chronic obstructive pulmonary disease is associated with an increased prevalence of mild cognitive impairment	18
A longitudinal investigation of sleep and technology use in early adolescence: does parental control of technology use protect adolescent sleep?	18
Insomnia with objective short sleep duration in women with temporomandibular joint disorder: quantitative sensory testing, inflammation and clinical pain profiles	18
Non-REM sleep instability in children with restless sleep disorder	18
Impact of rapid palatal expansion on the size of adenoids and tonsils in children	18
Light therapy for sleep disturbances in older adults with dementia: a systematic review, meta-analysis and meta-regression	18
Circadian typology and implications for adolescent sleep health. Results from a large, cross-sectional, school-based study	18
Relationship between screen time and sleep among Finnish preschool children: results from the DAGIS study	18
Polysomnographic predictors of sleep, motor and cognitive dysfunction progression in Parkinson's disease: a longitudinal study	18
The relationship between nightmares, depression and suicide	18
Sleep-related leg movements in obstructive sleep apnea: definitions, determinants, and clinical consequences	17
Application of deep learning to improve sleep scoring of wrist actigraphy	17
Prevalence of and risk factors associated with sleep disturbances among HPCD exposed to COVID-19 in China	17
Longitudinal correlates of sleep duration in young children	17
Eveningness associates with lower physical activity from pre- to late adolescence	17
Delayed sleep–wake phase disorder in young adults: prevalence and correlates from a national survey of Norwegian university students	17
Acoustic enhancement of slow wave sleep on consecutive nights improves alertness and attention in chronically short sleepers	17
Associations of positive and adverse childhood experiences and adulthood insomnia in a community sample of Chinese adults	17
Idiopathic hypersomnia: a homogeneous or heterogeneous disease?	17
The fate of patients with REM sleep behavior disorder and mild cognitive impairment	17
Polysomnographic validation of an under-mattress monitoring device in estimating sleep architecture and obstructive sleep apnea in adults	17
Effects of an individualized exercise training program on severity markers of obstructive sleep apnea syndrome: a randomised controlled trial	17
Bidirectional association between alopecia areata and sleep disorders: a population-based cohort study in Taiwan	17
Prognostic roles of sleep electroencephalography pattern and circadian rhythm biomarkers in the recovery of consciousness in patients with coma: a prospective cohort study	16
Insomnia symptoms during the COVID-19 pandemic: an examination of biopsychosocial moderators	16
Circadian rhythm abnormalities during the COVID-19 outbreak related to mental health in China: a nationwide university-based survey	16
Hypnotic medication use among inpatients with schizophrenia and major depressive disorder: results of a nationwide study	16
Effects of societal-level COVID-19 mitigation measures on the timing and quality of sleep in Ireland	16
Does neck circumference predict obstructive sleep apnea in children with obesity?	16
The effect of melatonin on sleep quality and insomnia in patients with cancer: a systematic review study	16
Nocturnal cognitive hyperarousal, perinatal-focused rumination, and insomnia are associated with suicidal ideation in perinatal women with mild to moderate depression	16
Bioinformatic analysis of proteomic data for iron, inflammation, and hypoxic pathways in restless legs syndrome	16
An investigation of potential coronaphobia-related factors in adults and sleep quality relations	16
Relationships between the changes in sleep patterns and sleep quality among Chinese people during the 2019 coronavirus disease outbreak	16
Circadian activity rhythm in Parkinson's disease: findings from the PHASE study	16
Intranasal oxytocin increases respiratory rate and reduces obstructive event duration and oxygen desaturation in obstructive sleep apnea patients: a randomized double blinded placebo controlled study	16
Insomnia, depression, and anxiety symptoms interact and individually impact functioning: A network and relative importance analysis in the context of insomnia	16
Both frequency and duration of rotating night shifts are associated with metabolic parameters: a cross-sectional study	16
Efficacy and safety of solriamfetol for excessive daytime sleepiness in narcolepsy and obstructive sleep apnea: a systematic review and meta-analysis of clinical trials	16
New potential stimulation targets for noninvasive brain stimulation treatment of chronic insomnia	16
Effect of qigong for sleep disturbance-related symptom clusters in cancer: a systematic review and meta-analysis	16
An investigation into an evening intake of a saffron extract (affron®) on sleep quality, cortisol, and melatonin concentrations in adults with poor sleep: a randomised, double-blind, placebo-controlle	16
Effect of myofunctional therapy on children with obstructive sleep apnea: a meta-analysis	16
Efficacy and safety of Zolpidem in the treatment of insomnia disorder for one month: a meta-analysis of a randomized controlled trial	16
Application of the Sleep Disturbance Scale for Children (SDSC) in infants and toddlers (6–36 months)	16
Quantifying peripheral sympathetic activations during sleep by means of an automatic method for pulse wave amplitude drop detection	16
The association of nighttime sleep duration and quality with chronic kidney disease in middle-aged and older Chinese: a cohort study	16
Efficacy and safety of modafinil in patients with idiopathic hypersomnia without long sleep time: a multicenter, randomized, double-blind, placebo-controlled, parallel-group comparison study	16
Systematic review on the association between sleep-related hyperarousal and child maltreatment	15
Abnormal intrinsic brain activity of the putamen is correlated with dopamine deficiency in idiopathic rapid eye movement sleep behavior disorder	15
Comparison of sleep problems between term and preterm born preschool children	15
Sleep duration and timing are nonlinearly associated with depressive symptoms among older adults	15
Paediatric sleep literacy in australian health professionals	15
The impact of antiseizure medications on polysomnographic parameters: a systematic review and meta-analysis	15
Effects of manipulating body temperature on sleep in postmenopausal women	15
Sleep duration and architecture in non-intubated intensive care unit patients: an observational study	15
Iron-deficiency and dopaminergic treatment effects on RLS-Like behaviors of an animal model with the brain iron deficiency pattern of the restless legs syndrome	15
Altered insula-prefrontal functional connectivity correlates to decreased vigilant attention after total sleep deprivation	15
Validation of breath biomarkers for obstructive sleep apnea	15
Daytime sleep state misperception in a tertiary sleep centre population	15
Brief digital sleep questionnaire powered by machine learning prediction models identifies common sleep disorders	15
Sleep-wake misperception. A comprehensive analysis of a large sleep lab cohort	15
Update on school-based sleep education programs: how far have we come and what has Australia contributed to the field?	15
Beyond traditional sleep scoring: Massive feature extraction and data-driven clustering of sleep time series	15
Efficacy and safety of solriamfetol for excessive sleepiness in narcolepsy and obstructive sleep apnea: findings from randomized controlled trials	15
Altered cortical gray matter volume and functional connectivity after transcutaneous spinal cord direct current stimulation in idiopathic restless legs syndrome	15
Objectively assessed sleep-disordered breathing during pregnancy and infant birthweight	15
Sleep duration does not mediate the association between screen time and adolescent depression and anxiety: findings from the 2018 National Survey of Children's Health	15
Obstructive sleep apnea and the risk of Alzheimer's disease and Parkinson disease: A Mendelian randomization study OSA, Alzheimer's disease and Parkinson disease	14
The effect of water-based intervention on sleep habits and two sleep-related cytokines in children with autism	14
Women with OSA have higher chances of having metabolic syndrome than men: effect of gender on syndrome Z in cross sectional study	14
Genetically predicted insomnia and lung cancer risk: a Mendelian randomization study	14
The Nexus Narcolepsy Registry: methodology, study population characteristics, and patterns and predictors of narcolepsy diagnosis	14
Pre-stroke sleep duration and post-stroke depression	14
Prevalence of and factors associated with nightmares in the elderly in a population based cohort study	14
Quality of sleep among social media users during the lockdown period due to COVID-19 in Spain	14