OOIR: Observatory of International Research

Papers

(The H4-Index of Nature and Science of Sleep is 27. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
Sleep Architecture and Sleep EEG Alterations are Associated with Impaired Cognition Under Sleep Restriction	90
Relationship Between Obstructive Sleep Apnea and Enuresis in Children: Current Perspectives and Beyond	61
Association Between Preoperative Sleep Disturbance and Postoperative Delirium in Elderly: A Retrospective Cohort Study	59
Poor Sleep Quality is an Independent Risk Factor for Acquired Premature Ejaculation	46
Link Between Obstructive Sleep Apnea and Kidney Stones: NHANES 2015–2018 and Mendelian Randomization	45
The Effect of a Gluten-Free Diet on Sleep Disturbances in Children with Celiac Disease	42
Causal Relations Between Obstructive Sleep Apnea and Stroke: A Mendelian Randomization Study	42
The Associations Between Objectively Measured Gait Speed and Subjective Sleep Quality in First-Year University Students, According to Gender	39
Association Between Triglyceride Glucose Index-Waist Circumference and Risk of First Myocardial Infarction in Chinese Hypertensive Patients with Obstructive Sleep Apnoea: An Observational Cohort Study	38
Secular Trends in Sleep Conditions in Chinese Elderly Individuals: A National Population-Based Study	36
Depression, Sleep Health & Sociodemographic Correlates in a Nationwide Survey: Implications for Depression Treatment During the COVID-19	35
Causal Associations Between Sleep Traits and Low Grip Strength: A Bidirectional Mendelian Randomization Study	34
Association Between EEG Microarousal During Nocturnal Sleep and Next-Day Selective Attention in Mild Sleep-Restricted Healthy Undergraduates	34
Evaluating Positional Obstructive Sleep Apnea in Children: Prevalence, Characteristics, and Risk Factors	34
Sex Differences in the Associations Between Chronic Diseases and Insomnia Symptoms Among Older Adults in India	33
Advancing Narcolepsy Advocacy: Bridging Patient Narratives and Systemic Change	33
Peripheral Iron Metabolism is Associated with Leg Movements on Polysomnography but Not with the Severity of Restless Legs Syndrome or Its Impact on Patients	33
Targeting Orexin Receptors for the Treatment of Insomnia: From Physiological Mechanisms to Current Clinical Evidence and Recommendations	30
Melatonin’s Benefits and Risks as a Therapy for Sleep Disturbances in the Elderly: Current Insights	29
Risk Factors for Sleepiness at the Wheel and Sleep-Related Car Accidents Among Patients with Obstructive Sleep Apnea: Data from the French Pays de la Loire Sleep Cohort	28
Impact of Gender, Age, and Obesity on Childhood Obstructive Sleep Apnea: A Cross-Sectional Study of 4,668 Children	28
Evaluating Locally Run Large Language Models for Obstructive Sleep Apnea Diagnosis and Treatment: A Real-World Polysomnography Study	28
Associations of Subjective Sleep Quality with Wearable Device-Derived Resting Heart Rate During REM Sleep and Non-REM Sleep in a Cohort of Japanese Office Workers	28
Association Between Occupational Stress and Sleep Quality: A Systematic Review	28
The Characteristics of Sleep Apnea in Tibetans and Han Long-Term High Altitude Residents	28

Predicting OSA Using Radiographs of the Airway Anatomy	27
How Sleep-Deprived People See and Evaluate Others’ Faces: An Experimental Study	27