Condition
Circadian Rhythms clinical trials and research
As of November 12, 2026, Find a Trial lists 4 Circadian Rhythms clinical trials that are recruiting, at sites in 2 countries (most in United States (3), Denmark (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 4Clinical trials
- 2Countries
Newest Circadian Rhythms clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Does a daily one-hour clock delay change your body clock? | — | Aarhus | Recruiting | Jan 5, 2026 |
| Daily bright-light glasses to improve sleep and recovery in people with opioid use disorder | — | Birmingham, Alabama | Recruiting | Feb 18, 2025 |
| Understanding how light and meal timing affect body clocks in humans | — | Boulder, Colorado | Recruiting | Mar 6, 2024 |
| Investigating how sleep and circadian rhythms affect blood pressure in people with hypertension | — | Portland, Oregon | Recruiting | Jan 11, 2022 |
All recruiting trials (4)
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Does a daily one-hour clock delay change your body clock?
We will test whether living with a one-hour daily time delay for five days shifts the body clock of healthy adults aged 23-45 who participate with their cohabiting partner.
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Daily bright-light glasses to improve sleep and recovery in people with opioid use disorder
This trial will test whether wearing AYO bright-light glasses each morning can improve sleep patterns and support recovery in adults receiving medication for opioid use disorder.
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Understanding how light and meal timing affect body clocks in humans
This study is testing how different light exposure and meal times affect our body clocks to help find new ways to improve health.
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Investigating how sleep and circadian rhythms affect blood pressure in people with hypertension
This study is testing how sleep patterns and daily rhythms affect blood pressure in people with high blood pressure to see if a regular sleep schedule can help.
Related topics
Quick answers
How many Circadian Rhythms clinical trials are recruiting right now?
4, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (3 trials), Denmark (1 trial). Each study page lists its sites and which ones are recruiting.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.