Habit
Habitual short sleep contributes to broad metabolic, cognitive, and mood impairment.[1314,1321,1456, etc.]
Superscript reference numbers link to the Sources bibliography.
Composite Rating
Blends evidence depth, community direction, safety friction, and completeness.
Evidence Intensity
100/100
High depth from human/RCT/meta counts
Community Direction
0
Mixed / Neutral • confidence Minimal
Safety Friction
52/100
Moderate signal from adverse/interaction markers
Data Completeness
100%
Studies 24 • mentions 0 • links 35
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Classification: reduce.[1128,1276,1314, etc.]
Best fit: Users averaging chronically low nightly sleep..[1128,1276,1314, etc.]
Goal alignment: Sleep, Metabolic Health, Mood, Immune Support, Longevity.[1128,1276,1314, etc.]
Classification
Reduce
Evidence Tier
HIGH
Best Fit
Users averaging chronically low nightly sleep.
Primary Focus
Sleep, Metabolic Health
Clinical Depth
Humans: 188 • RCTs: 44 • Meta: 5
Cohort / Real-World
Cohort signals: 15
Safety Markers
Adverse signals: 5 • Interactions: 0
Freshness, trend, and study timeline for this item
Status
Trend
→ Stable evidence base
Depth
188 total studies · 4 recent
Timeline
Total indexed
188
Human studies
188
Sleep signals
188
Neuropsych signals
72
Cardiometabolic signals
45
Randomized trials
44
Weighted direction score: 0 (Mixed / Neutral)
High when replicated human meta-analysis/trial/cohort depth is present for the habit or exposure.
Total indexed
188
Human studies
188
Sleep signals
188
Neuropsych signals
72
Cardiometabolic signals
45
Randomized trials
44
Cohort signals
15
In vitro / tissue
5
Meta-analyses
5
Safety adverse signals
5
Dependency signals
2
Distribution of evidence by study design strength
Evidence Strength: High
PMID 35714756 • 2022 Aug
Sleep, stress and aggression: Meta-analyses investigating associations and causality.
Neuroscience and biobehavioral reviews
Open PubMedPMID 11772681 • 2002 Jan
Comparative meta-analysis of pharmacotherapy and behavior therapy for persistent insomnia.
The American journal of psychiatry
Open PubMedPMID 36064210 • 2022 Aug
Observational and experimental studies on sleep duration and aggression: A systematic review and meta-analysis.
Sleep medicine reviews
Open PubMedBenefit reports: 0
Adverse reports: 0
No-effect reports: 0
Mixed reports: 0
Unclear reports: 0
Signal confidence: 0.00
Benefits
Adverse
No Effect
Community confidence 0.00 with mentions: benefit 0, adverse 0, no-effect 0.
Search fetch failed: Failed to fetch after retries: https://old.reddit.com/search.json?raw_json=1&sort=relevance&t=year&limit=8&q=%22sleep%20deprivation%22%20(exercise%20OR%20training%20OR%20sleep%20OR%20habit%20OR%20side%20effects%20OR%20experience%20OR%20results)%20(subreddit%3AFitness%20OR%20subreddit%3Abodyweightfitness%20OR%20subreddit%3Aweightroom%20OR%20subreddit%3Arunning%20OR%20subreddit%3ACycling%20OR%20subreddit%3Aswimming%20OR%20subreddit%3AHIIT%20OR%20subreddit%3Ayoga%20OR%20subreddit%3Abiohackers%20OR%20subreddit%3Alongevity%20OR%20subreddit%3Ameditation%20OR%20subreddit%3Asleep%20OR%20subreddit%3Astopsmoking%20OR%20subreddit%3Astopdrinking%20OR%20subreddit%3Aleaves%20OR%20subreddit%3Adecaf%20OR%20subreddit%3Adecidingtobebetter)
aggregate • unclear
No directional first-hand mentions captured in the current community corpus; source links are retained for traceability.
Open mentionEvidence Sources
PUBMED • Human lifestyle/habit literature
Counts from structured habit/exposure PubMed query set.
Outcome: Humans 187, RCT 44, meta 5, cohort 15, sleep signals 187, cardiometabolic signals 44.[1314,1321,1456, etc.]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 35714756 from Neuroscience and biobehavioral reviews.
Outcome: See linked PubMed abstract for methods and outcomes.[, etc.]
No directional mention volume was resolved; fallback profile metadata is shown in other sections.
Animal-only studies
0
Composite of study volume, RCTs, and meta-analyses
PMID 32960623 • 2020 Oct 21
Partial sleep deprivation on dietary energy intake in healthy population: a systematic review and meta-analysis.
Nutricion hospitalaria
Open PubMedPMID 9063996 • 1997 Feb
[Behavior and cognitive treatments for insomnia. An alternative to pharmacotherapy].
Canadian family physician Medecin de famille canadien
Open PubMedPMID 15583226 • 2004 Dec 7
Brief communication: Sleep curtailment in healthy young men is associated with decreased leptin levels, elevated ghrelin levels, and increased hunger and appetite.
Annals of internal medicine
Open PubMedPMID 37573859 • 2023 Sep 16
Clinical and cost-effectiveness of nurse-delivered sleep restriction therapy for insomnia in primary care (HABIT): a pragmatic, superiority, open-label, randomised controlled trial.
Lancet (London, England)
Open PubMedPMID 39185919 • 2024 Aug
Nurse-delivered sleep restriction therapy to improve insomnia disorder in primary care: the HABIT RCT.
Health technology assessment (Winchester, England)
Open PubMedPMID 28364507 • 2017 Feb 1
Neurobehavioral Impact of Successive Cycles of Sleep Restriction With and Without Naps in Adolescents.
Sleep
Open PubMedPMID 40628780 • 2025 Jul 8
The impact of insufficient sleep on dietary choices and physical activity behaviors: evidence from a randomized cross-over trial.
Scientific reports
Open PubMedPMID 28169885 • 2017 Jun
Repetitive exposure to shortened sleep leads to blunted sleep-associated blood pressure dipping.
Journal of hypertension
Open PubMedPMID 39023982 • 2024 Jun
Acceptance and commitment therapy versus cognitive behavioral therapy for insomnia: A randomized controlled trial.
Journal of consulting and clinical psychology
Open PubMedPMID 30359072 • 2019 Jul
Sleepy anger: Restricted sleep amplifies angry feelings.
Journal of experimental psychology. General
Open PubMedPMID 23071214 • 2012 Nov
Impact of sleep extension and restriction on children's emotional lability and impulsivity.
Pediatrics
Open PubMedPMID 35877164 • 2022 Jul 25
Providing Brief Personalized Therapies for Insomnia Among Workers Using a Sleep Prompt App: Randomized Controlled Trial.
Journal of medical Internet research
Open PubMedPMID 34043794 • 2021 Aug 18
Clamping Cortisol and Testosterone Mitigates the Development of Insulin Resistance during Sleep Restriction in Men.
The Journal of clinical endocrinology and metabolism
Open PubMedPMID 24373363 • 2013 Nov-Dec
Effects of sleep restriction and exercise deprivation on somatic symptoms and mood in healthy adults.
Clinical and experimental rheumatology
Open PubMedPMID 38602131 • 2024 Sep 9
The dynamic responses of mood and sleep physiology to chronic sleep restriction and subsequent recovery sleep.
Sleep
Open PubMedPMID 22754044 • 2012 Jul 1
Sleep restriction decreases the physical activity of adults at risk for type 2 diabetes.
Sleep
Open PubMedPMID 30722039 • 2019 May 1
Chronic sleep restriction greatly magnifies performance decrements immediately after awakening.
Sleep
Open PubMedPMID 36863827 • 2023 Feb
The effect of modest changes in sleep on dietary intake and eating behavior in children: secondary outcomes of a randomized crossover trial.
The American journal of clinical nutrition
Open PubMedPMID 35978435 • 2022 Aug 17
SHIFTPLAN: a randomized controlled trial investigating the effects of a multimodal shift-work intervention on drivers' fatigue, sleep, health, and performance parameters.
Trials
Open PubMedPMID 28208688 • 2017 Feb 12
The Impact of Heat Exposure and Sleep Restriction on Firefighters' Work Performance and Physiology during Simulated Wildfire Suppression.
International journal of environmental research and public health
Open PubMedPMID 11693688 • 2001 Aug
Effects of acute sleep restriction on behavior, sustained attention, and response inhibition in children.
Perceptual and motor skills
Open PubMedFallback search fetch failed: Failed to fetch after retries: https://old.reddit.com/search.json?raw_json=1&sort=relevance&t=year&limit=12&q=sleep%20deprivation
Community Sources
PUBMED • 2002 • Human evidence curation set
PMID 11772681 from The American journal of psychiatry.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 36064210 from Sleep medicine reviews.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 32960623 from Nutricion hospitalaria.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 1997 • Human evidence curation set
PMID 9063996 from Canadian family physician Medecin de famille canadien.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2004 • Human evidence curation set
PMID 15583226 from Annals of internal medicine.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37573859 from Lancet (London, England).
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39185919 from Health technology assessment (Winchester, England).
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2017 • Human evidence curation set
PMID 28364507 from Sleep.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2025 • Human evidence curation set
PMID 40628780 from Scientific reports.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2017 • Human evidence curation set
PMID 28169885 from Journal of hypertension.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39023982 from Journal of consulting and clinical psychology.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2019 • Human evidence curation set
PMID 30359072 from Journal of experimental psychology. General.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2012 • Human evidence curation set
PMID 23071214 from Pediatrics.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 35877164 from Journal of medical Internet research.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2021 • Human evidence curation set
PMID 34043794 from The Journal of clinical endocrinology and metabolism.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2013 • Human evidence curation set
PMID 24373363 from Clinical and experimental rheumatology.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 38602131 from Sleep.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2012 • Human evidence curation set
PMID 22754044 from Sleep.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2019 • Human evidence curation set
PMID 30722039 from Sleep.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 36863827 from The American journal of clinical nutrition.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 35978435 from Trials.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2017 • Human evidence curation set
PMID 28208688 from International journal of environmental research and public health.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open sourcePUBMED • 2001 • Human evidence curation set
PMID 11693688 from Perceptual and motor skills.
Outcome: See linked PubMed abstract for methods and outcomes.[1314,1321,1456, etc.]
Open source