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Sauna blankets and online therapy: a new way to beat insomnia?

NCT ID NCT06626048

Symptom relief Sponsor: University of California, San Francisco 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This small study tested whether combining digital cognitive behavioral therapy for insomnia (CBT-I) with sessions in a sauna blanket is feasible for adults with insomnia. Ten participants used an online CBT-I program and a sauna blanket at home for 9 weeks. The goal was to see if people would stick with the treatment, not to measure how well it works.

What this could mean

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

Active substance
digital cognitive behavioral therapy for insomnia (CBT-I) and passive body heating via a sauna blanket
What this could lead to
If this approach is feasible, it could point toward a combined mind-and-body treatment option for insomnia that people can do at home.
What could go wrong
This is a very small, early feasibility trial with only 10 participants and no control group. It cannot prove the treatment works, only that it might be possible to study it further.

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

10 people

The number who actually took part.

Started

Feb 2025

Finished

Jan 2026

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

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * 18 years or older * English-speaking * Willing to use birth control if assigned female sex at birth * Location to plug sauna blanket into regular wall outlet * Ability to lie in sauna blanket for 15 minutes * Ability to fit in the sauna blanket (no taller than 6' 3", no greater than 250 lbs) * Daily access to the internet via computer, smartphone, or tablet * Elevated insomnia symptoms as indexed by a score of 11 or greater on the Insomnia Severity Index (ISI) * Insomnia disorder (characterized by difficulty initiating sleep) as indexed by a positive diagnosis on the Structured Clinical Interview for DSM-5 Sleep Disorders (SCISD) Exclusion Criteria: * Night shift worker * Current or planned routine body heating practices (e.g., saunas, hot tubs) * Pregnant or plans to become pregnant during the participation period * Other diagnosed sleep disorders or suspected sleep disorders * Medical conditions that might increase the risk of passive body heating using an infrared sauna blanket * Mental health disorder that may better explain insomnia, require priority treatment, or be exacerbated by time in bed restriction

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Conditions

The condition(s) this trial relates to.

insomnia mood disorder

As listed by the trial registrant

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

Insomnia disorder

Contacts and locations

Locations

  • University of California San Francisco

    San Francisco, California, 94115, United States

More trials for these conditions

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