Sleep Disorders Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You are between 18 and 25 years old
- You are in good physical and mental health
- (Cannabis-using group only) You have been using cannabis frequently (6 or more days per month) or daily for the past 3 months
- (Cannabis-using group only) You are willing to stop using cannabis for 4 weeks during the study
- (Non-cannabis/control group only) You have not used cannabis in the past 3 months, have not used it daily or nearly daily in the past year, have no history of alcohol or drug use disorders, and do not currently have any sleep problems
- You are able and willing to sign a consent form agreeing to take part
Who may not be able to join:
- You have a significant or unstable physical health condition, such as a brain or nerve disorder, serious heart disease, liver disease, migraines, stomach ulcers, bowel disease, kidney failure, arthritis, diabetes, eye conditions like glaucoma, or a seizure disorder (confirm with trial site if unsure about your specific condition)
- You have been diagnosed with bipolar disorder or a psychotic disorder (past or present)
- You drink alcohol every day or regularly use illegal drugs other than cannabis
- You have a history of moderate or severe alcohol use disorder, or any other substance use disorder (other than cannabis, nicotine, or mild alcohol use disorder)
- You have certain diagnosed sleep disorders such as narcolepsy, restless legs syndrome, or sleep apnea, or you currently work night shifts between midnight and 6:00 a.m.
- You have travelled across two or more time zones in the past 60 days
- You currently take benzodiazepines or "Z-drug" sleeping medications (such as zolpidem/Ambien)
- You hold a Pennsylvania Medical Marijuana Card and use dispensary cannabis or THC products for a non-mental health medical condition
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Homeostatic Sleep Drive; Circadian Photosensitivity; Retinal Responsivity
Can't join this trial?
Data last synced from ClinicalTrials.gov: 2 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.