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Phone pings for better mood and sleep: study tests notifications on over 1,000 interns

NCT ID NCT06465680

Knowledge-focused Sponsor: University of Michigan Source: ClinicalTrials.gov ↗

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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether smartphone notifications could improve mood, physical activity, and sleep in over 1,000 medical interns. Participants received daily mood, activity, or sleep notifications through a mobile app. The study measured mood scores, step counts, sleep duration, and depressive symptoms over the internship year.

What this could mean

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

Active substance
smartphone push notifications (mood, activity, sleep)
What this could lead to
If effective, this approach could offer a low-cost way to support mental health and healthy habits in high-stress jobs.
What could go wrong
The trial is completed but results are not yet reported. The intervention is very low-intensity, so any benefits may be small or not lasting.

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

1,047 people

The number who actually took part.

Started

Jul 2024

Finished

Jun 2025

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 years and older

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: * Medical intern during the 2024-2025 internship year * iPhone or Android phone user * Logged into the Intern Health Study mobile app, completed consent, and filled out baseline survey by June 30 prior to the start of intern year Exclusion Criteria: * None

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Conditions

The condition(s) this trial relates to.

Depression depressive disorder mood disorder Motor Activity sleep disorder

As listed by the trial registrant

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

Depression MOOD Physical activity Sleep

Contacts and locations

Locations

  • University of Michigan

    Ann Arbor, Michigan, 48109, United States

More trials for these conditions

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