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Small study suggests meal timing may influence sleep and sugar control

NCT ID NCT07444671

Knowledge-focused Sponsor: Colorado State University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether eating only during a shorter window each day (time-restricted eating) changes how well people sleep and how their body handles sugar. Thirteen healthy adults followed a normal eating schedule for one week and a time-restricted schedule for another week. Researchers measured sleep and blood sugar levels to see if meal timing made a difference.

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

13 people

The number who actually took part.

Started

Dec 2018

Finished

May 2021

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 65 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: * Healthy adult men and women ages 18-65 * habitual sleep duration between 7-9.25 hours * lived at altitude for at least 3 months. Exclusion Criteria: * Diagnosed acute or chronic physical or psychiatric disorders; * diagnosed sleep disorders; * not participating in another research study concurrently which could increase risks, such as those involving medication or blood sampling; * shiftwork in the 6 months before the study; travel more then one time zone three weeks prior to the study; * blood donation 30 days prior to the first study visit; * illicit drug use, prescribed medication use (excluding over the counter products) 30 days prior to the study visit; * everyday nicotine use; * regular consumption of over 400mg caffeine per day in the past month; and consumption of over 14 alcoholic beverages a week, or more than 4 alcoholic beverages in a single day over the past month for men and consumption of over 7 alcoholic beverages a week, or more than 3 alcoholic beverages in a single day over the past month for women.

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Conditions

The condition(s) this trial relates to.

Intermittent Fasting

As listed by the trial registrant

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

Time-restricted eating

Contacts and locations

Locations

  • Sleep and Metabolism Laboratory

    Fort Collins, Colorado, 80523, United States

More trials for these conditions

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