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Grief keeping you up at night? new study tests a simple sleep fix.

NCT ID NCT07167706

Symptom relief Sponsor: University of Aarhus 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tests whether a brief behavioral therapy for insomnia (BBTI) can improve sleep in 58 bereaved adults who have trouble sleeping. Participants will either receive BBTI or sleep hygiene education. The study also looks at whether better sleep eases symptoms of complicated grief.

What this could mean

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

Active substance
Brief Behavioral Therapy for Insomnia (BBTI)
What this could lead to
If it works, this could offer a simple, non-drug way to improve sleep and reduce grief-related distress in people who have lost a loved one.
What could go wrong
This is a small early-stage study with only 58 participants. The therapy may not work for everyone, and results may not apply to all types of grief or insomnia.

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 58 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 2027

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 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: * Age ≥18 years * Bereaved (experienced the death of a perceived loved one) ≥6 months ago * Insomnia: a score of \>10 on the Insomnia Severity index (ISI) and/or meet the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) criteria for Insomnia Disorder Exclusion Criteria: * Other sleep disor-ders (sleep apnea, parasomnia, narcolepsy) * Use of drugs impacting sleep * Severe psychological or physical disorders that may confound sleep (symptoms of CGR allowed) * Neurodegenerative disorders * Shift work * Insufficient Danish proficiency * Previous experience with BBTI or cognitive behavioral therapy for insomnia (CBT-I)

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Conditions

The condition(s) this trial relates to.

insomnia

As listed by the trial registrant

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

Complicated grief Insomnia Insomnia chronic

How to take part

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

  1. The places running it

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

  2. The official record

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

    Open the record ↗

  3. 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.

Contacts and locations

Locations

  • Aarhus University

    Aarhus, Jutland, 8000, Denmark

More trials for these conditions

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