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Sleepless nights may make you eat more and move less

NCT ID NCT07393607

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how one night of partial sleep loss changes appetite, food choices, and physical activity. Researchers will compare regular exercisers and inactive adults after a full night's sleep versus only 3 hours of sleep. The goal is to understand how sleep deprivation influences eating and movement behaviors.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help explain why poor sleep leads to overeating and less activity, pointing toward better weight management strategies.
What could go wrong
This is a small, early-stage observational study with only 48 participants. Results may not apply to everyone, and it only looks at short-term effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 48 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Mar 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

20 to 45 years

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 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. Exclusion Criteria: * Special diets (e.g., intermittent fasting, ketogenic diet) * Recent injuries or contraindications to intense exercise.

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Conditions

The condition(s) this trial relates to.

Motor Activity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

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  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

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Other studies related to the condition(s) this trial covers.