Morning workouts may be the key to better sleep, study suggests

NCT ID NCT07234812

Symptom relief Sponsor: Medipol University Source: ClinicalTrials.gov ↗

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

Summary

This study looks at whether doing moderate resistance exercises in the morning can improve sleep quality in young adults aged 18-35. Over 8 weeks, 64 participants with different sleep patterns (morning or evening types) will follow an online exercise program. Researchers will measure changes in sleep, mood, and daily rhythm to see if timing exercise to your natural body clock helps you sleep better.

What this could mean

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

Active substance: Moderate-Intensity Resistance Exercise Program (behavioral intervention)
What this could lead to: If it works, this could point toward a simple, drug-free way to improve sleep by timing exercise to match your body's natural rhythm.
What could go wrong: This is a small, early-stage study with only 64 participants, so results may not apply to everyone. The exercise program is online and self-reported, which could affect accuracy.

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 64 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

May 2026

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

18 to 35 years

Sex

Anyone

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 18 and 35 years * Generally healthy, with mild to moderate sleep disturbance as categorized by the Pittsburgh Sleep Quality Index (PSQI) * Body Mass Index (BMI) \< 35 kg/m² * No physical or organic limitations or diseases that would prevent participation in physical activity * Non-smoker and non-alcoholic * Caffeine consumption ≤ 2 cups per day (including coffee and energy drinks) * Have not participated in more than 60 minutes/week of usual moderate-to-vigorous physical activity in the past 6 months, categorized as "moderate" on the International Physical Activity Questionnaire-Short Form (IPAQ-SF) * No clinically diagnosed sleep apnea or other medical/psychiatric disorders responsible for sleep complaints * Regular sleep schedule (no night shifts or transmeridian travel) in the 30 days prior to study enrollment * Able to speak and write English Exclusion Criteria: * Current use of medications or psychotherapeutic drugs for insomnia or other psychiatric disorders * Use of melatonin or other sleep aids in the past month * Currently performing any aerobic or mind-body exercise classes (e.g., yoga, Pilates) * Habitual daytime napping * History of epilepsy or other convulsive disorders * Pregnant individuals * Habitual or recent use (within the past 30 days) of illegal drugs, psychotropic drugs, hypnotics, stimulants, or analgesics

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Conditions

The condition(s) this trial relates to.

circadian rhythm sleep disorder Health Behavior insomnia Motor Activity Parasomnias sleep disorder

As listed by the trial registrant

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

Chronotype Circadian rhythm Health behavior / well-being Physical therapy Resistance exercise Sleep disturbances Sleep quality

How to take part

Only the study team decides who joins. These are the ways to reach them.

The places running it

1 site. The list below names each one and where it is.
The official record

ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

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A doctor treating you

A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Morning workouts may be the key to better sleep, study suggests

What the study statuses mean