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Texting your way to better sleep: new study tests habit hacks

NCT ID NCT05167695

Knowledge-focused Sponsor: University of California, Berkeley 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests a sleep-health program that uses habit-formation science to help young adults (ages 18-30) improve their sleep. Researchers want to see if adding text message reminders makes it easier for people to stick with healthy sleep routines. The goal is to find simple, effective ways to help people maintain better sleep habits over time.

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 160 people

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

Started

May 2022

Expected to finish

Jul 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 30 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: 1. Scoring less than or equal to 26 on the Composite Scale of Morningness OR Mid-point of sleep later than 4:30 AM for 18-24 yo and 3:50 AM for 25-30 yo on work-free/weekend days over the past month OR Night-to-night variation in sleep and wake times across one month of 2 hours or more. 2. 'At risk' in one of the five health domains: the emotional domain, the cognitive domain, the behavioral domain, the physical domain and the social domain. "Risk" is defined as scoring 4 or higher on one item from an adapted version of the Work and Social Adjustment Scale. 3. Age between 18 and 30. 4. English language fluency. 5. Able and willing to give informed assent. 6. If taking medication for sleep, the dose and frequency of use must have been stable for at least 4 weeks. Exclusion Criteria: 1. Presence of substance abuse/dependence, mental illness, physical illness, suicidality or developmental disorder only if it makes participation in the study unfeasible or if there is a significant risk of harm and/or decompensation if treatment of that comorbid condition is delayed due to participating in this study. 2. Evidence of sleep apnea, restless legs or periodic limb movements during sleep. Youth presenting with provisional diagnoses of any of these disorders will be referred for a non-study polysomnography evaluation and will be enrolled only if the diagnosis is disconfirmed or if the disorder is treated. 3. Night shifter worker where the shift is scheduled between the hours of midnight to 6am \> 2 nights per week. 4. Pregnancy or breast-feeding.

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Conditions

The condition(s) this trial relates to.

Chronobiology Disorders circadian rhythm sleep disorder Habits

As listed by the trial registrant

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

Circadian dysregulation

Contacts and locations

Locations

  • University of California

    Berkeley, California, 94703, United States

More trials for these conditions

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