ArticleScientific reports2022
Mortality associated with nonrestorative short sleep or nonrestorative long time-in-bed in middle-aged and older adults.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
27 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.
- Impact of positive airway pressure for chronic hypercapnic respiratory failure on sleep quality: a systematic review and meta-analysis.European respiratory review : an official journal of the European Respiratory Society · 2025Pooled it
- Trial
- Multidimensional sleep characteristics and arterial stiffness in older adults.Sleep medicine: X · 2026Article
- Article
- Social Interaction, Life Satisfaction, and Follow-Up Sleep Quality in Community-Dwelling Adults: A Three-Year Longitudinal Cohort Study in Japan.Healthcare (Basel, Switzerland) · 2026Article
- Dysmenorrhea and Absence of Restorative Sleep.Journal of clinical medicine research · 2026Article
- Wearable Nocturnal Autonomic and Sleep Biomarkers for Predicting Next-Day Headache and Identifying Nociplastic Pain in Patients with Migraine.Journal of clinical medicine · 2026Article
- Conventional polysomnographic parameters fail to predict unrefreshing sleep in patients suspected of obstructive sleep apnea.Sleep & breathing = Schlaf & Atmung · 2026Article
- Telemonitored sleep quality and daily activity are associated with mental health outcomes among Japanese workers.Scientific reports · 2026Article
- A review of sleep-related indicators measured in large population-based cohort studies in Japan.Environmental health and preventive medicine · 2026Review
- Article
- Nonrestorative sleep is associated with somatic and depressive symptoms in Japanese junior high school students.Journal of physiological anthropology · 2025Article
- Nonrestorative sleep: a potential indicator or consequence of job stress.Sleep and biological rhythms · 2025Article
- Associations between cardiovascular health metrics in life's essential 8 and incident hypertension: The LIFE Study.Journal of human hypertension · 2025Article
- Bidirectional association between physical activity and sleep in healthy Japanese super-seniors: the Japan Healthy Aging Study (J-HAS).npj aging · 2025Article
- Associations between nonrestorative sleep and suicidal ideation: a Japanese general population survey.Scientific reports · 2025Article
- Sleep and hypertension - up to date 2024.Hypertension research : official journal of the Japanese Society of Hypertension · 2024Review
- Re-Evaluating Recommended Optimal Sleep Duration: A Perspective on Sleep Literacy.Children (Basel, Switzerland) · 2024Review
- Social determinants of sleep quality: association between sleep quality and living environment among older individuals.Sleep and biological rhythms · 2024Article
- Identification of sleep phenotypes in COPD using machine learning-based cluster analysis.Respiratory medicine · 2024Observational
Corrections and comments
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Authors and funding
9 authors at 4 institutions in 1 country.
Funding
Abstract
Associations of sleep duration with human health could differ depending on whether sleep is restorative. Using data from 5804 participants of the Sleep Heart Health Study, we examined the longitudinal association of sleep restfulness combined with polysomnography-measured total sleep time (TST) or time in bed (TIB), representing different sleeping behaviors, with all-cause mortality. Among middle-aged adults, compared with restful intermediate TST quartile, the lowest TST quartile with feeling unrested was associated with higher mortality (hazard ratio [HR], 1.54; 95% confidence interval [CI] 1.01-2.33); the highest TST quartile with feeling rested was associated with lower mortality (HR, 0.55; 95% CI 0.32-0.97). Among older adults, the highest TIB quartile with feeling unrested was associated with higher mortality, compared with restful intermediate TIB quartile (HR, 1.57; 95% CI 1.23-2.01). Results suggest a role of restorative sleep in differentiating the effects of sleep duration on health outcomes in midlife and beyond.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.