Effects of Acute Sleep Deprivation on Human Behaviours
Acute Effects of Partial Sleep Deprivation on Appetite, Energy Intake and Physical Activity
1 other identifier
interventional
48
0 countries
N/A
Brief Summary
This study will investigate whether acute sleep deprivation affects appetite, eating behavior, and physical activity in both regular exercisers and physically inactive individuals.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Mar 2026
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 23, 2026
CompletedFirst Posted
Study publicly available on registry
February 6, 2026
CompletedStudy Start
First participant enrolled
March 1, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
March 1, 2027
February 6, 2026
February 1, 2026
1 year
January 23, 2026
February 4, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Energy intake
Energy and macronutrients intake will be collected using pictures and via a food scale
4 days in a free-living conditions.
Physical activity
Physical activity level and intensity will be collected using wearable devices
4 days in a free-living conditions.
Secondary Outcomes (6)
Food preference
Baseline and at the end of the 3-hour oral glucose tolerance test (OGTT).
Appetite sensations
At 0 (baseline), 30, 60, 90, 120, 150, and 180 minutes during the 3-hour oral glucose tolerance test (OGTT).
Mood sensations
At 0 (baseline), 30, 60, 90, 120, 150, and 180 minutes during the 3-hour oral glucose tolerance test (OGTT).
Sleep sensations
At 0 (baseline), 30, 60, 90, 120, 150, and 180 minutes during the 3-hour oral glucose tolerance test (OGTT).
Sleep
4 days in a free-living conditions.
- +1 more secondary outcomes
Study Arms (2)
Normal sleep
EXPERIMENTALParticipants will have an 8-hour sleep opportunity in the lab from 23:00 to 07:00.
Partial sleep deprivation
EXPERIMENTALParticipants will have a 3-hour sleep opportunity in the lab from 03:00 to 07:00.
Interventions
Participants will have an 8-hour sleep opportunity in the lab from 23:00 to 07:00.
Participants will have a 3-hour sleep opportunity in the lab from 03:00 to 07:00.
Eligibility Criteria
You may qualify if:
- Age between 20 and 45 years.
- Body Mass Index (BMI) between 18.5 to 27 kg/m².
- No sleep-related medical conditions and good sleep quality, defined as a Pittsburgh Sleep Quality Index (PSQI) score ≤ 5.
- Usual bedtime between 22:00 and 01:00, wake-up time between 06:00 and 09:00, with an average sleep duration of 7 to 9 hours. Chronotype classified as "definitely not evening type" (score ≥ 42 on the Morningness-Eveningness Questionnaire), with no changes in sleep patterns over the past 3 months.
- Without any metabolic or cardiovascular diseases, and not using medications that could affect metabolic responses.
- No specific dietary habits, such as intermittent fasting or a ketogenic diet.
- Maintaining a stable weight (no self-reported weight change greater than ±3 kg) for at least 3 months.
- Resting blood pressure ≤ 130/80 mmHg.
- No smoking or excessive alcohol consumption.
- Not a shift worker.
- No international travel across time zones in the past 3 months.
You may not qualify if:
- Special diets (e.g., intermittent fasting, ketogenic diet)
- Recent injuries or contraindications to intense exercise.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
January 23, 2026
First Posted
February 6, 2026
Study Start
March 1, 2026
Primary Completion (Estimated)
March 1, 2027
Study Completion (Estimated)
March 1, 2027
Last Updated
February 6, 2026
Record last verified: 2026-02