Online sleep therapy may ease anxiety too
NCT ID NCT06567210
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether an online, therapist-guided program for insomnia can also reduce anxiety symptoms. 98 adults with both chronic insomnia and anxiety will either start the program immediately or after a delay. The program includes sleep education, behavioural strategies, and relaxation techniques, and researchers will track changes in anxiety, sleep, and brain activity.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- online cognitive behavioural and circadian therapy for insomnia (CBCTi)
- What this could lead to
- If it works, this could offer a widely accessible online treatment that eases both insomnia and anxiety symptoms.
- What could go wrong
- This is a small early-stage trial with 98 participants, so results may not apply to everyone. The therapy requires time and effort, and not everyone may benefit.
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
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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
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About 98 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jan 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2030
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 45 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * (A or B) and (C) A. Diagnosis of insomnia disorder (DSM-5-TR) B. Insomnia Severity Index (ISI) score ≥ 10 C. Generalized Anxiety Disorder (GAD-7) score ≥ 10 * All sexes and genders. * Between 18 and 45 years of age. * Able to provide informed consent. * Proficient in English. Exclusion Criteria: x Sleep or circadian disorder other than insomnia (e.g., hypersomnolence, periodic limb movement disorder, advanced or delayed sleep phase disorder, moderate to severe sleep apnoea disorder based on previous sleep study with an apnea-hypopnea index ≥ 15 and/or finger-pulse oximetry oxygen desaturation index (ODI) ≥ 10). * Current or history of neurological disorders (e.g., stroke, brain injury). * Current or history of bipolar disorder, psychosis, or moderate to severe obsessive-compulsive disorder. * Current uncontrolled mental health disorders requiring specialist care, other than major depression and anxiety disorders. * Centrally active agents or presence of medical condition that may affect participation. * Pregnancy or actively trying to conceive, or lactating. * Shift work for at least 2 shifts per week in the past 3 months (i.e., work between 21:00 and 6:00). * Travel across time zones over 3 hours difference in the previous 30 days (will require a 1-day adjustment period per hour of time zone travelled). * Unwilling to know about potential incidental findings. * No consent or adherence to instructions for any part of the study protocol.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Woolcock Institute of Medical Research
RECRUITINGMacquarie Park, New South Wales, 2109, Australia
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