THC sleep study: frequent vs. rare users under the microscope
NCT ID NCT03560934
First seen Feb 05, 2026 · Last updated Jun 05, 2026 · Updated 15 times
Summary
This study looked at how a pill form of THC (dronabinol) affects sleep and thinking in 18 adults. Some participants used cannabis frequently (more than 3 times a week), while others rarely used it (less than 10 times ever). Researchers measured sleep stages, alertness, memory, and heart health over a 4-day hospital stay. The goal was to understand THC's effects, not to treat a disease.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Oregon Health & Science University
Portland, Oregon, 97239, United States
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