Cannabis Use Linked to Poorer Sleep Quality

A long-term study indicates that regular cannabis consumption is associated with disrupted sleep patterns.

Updated on Oct. 30, 2026 in Sleep Disorders

Gouache-painted editorial illustration of an hourglass filled with glowing embers, depicting the intersection of health and rest. — A 2026 study suggests that while many American adults use cannabis as a sleep aid, long-term consumption is linked to decreased sleep efficiency. AI Illustration. Upload story photo >

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Is now a good time to reconsider using cannabis products as a regular sleep aid?

A study published in October 2026 reveals that cannabis use is tied to decreased sleep efficiency and increased sleep fragmentation in American adults. Researchers found that objective tracker data often contradicts the subjective sleep quality reported by users.

Why it matters

With over 23 million American adults turning to cannabis for sleep aid, understanding the long-term physiological impact on rest is crucial for public health. The findings suggest that users may perceive better rest than they are actually achieving.

Each year of cannabis use is associated with a 21% increase in the odds of time spent awake after falling asleep. Recent users also face 3.23 times the odds of experiencing unusually long wakefulness during the night.

The players

JAMA Network Open

This is an open-access medical journal published by the American Medical Association that covers clinical research across all medical specialties.

The details

The research tracked participants from 1985 to 2022 using wrist-mounted sleep trackers and daily logs. Results show that every additional year of cannabis consumption correlates with a 10% increase in the likelihood of lower overall sleep percentage.

The research study began in 1985.
The final follow-up exam for the study occurred in 2022.
The study findings were published in JAMA Network Open in October 2026.

The Big Picture

This study adheres to the established methodologies of the JAMA Network Open peer-review clinical research protocols regarding sleep health. The research provides a significant update to long-term population data by moving beyond subjective surveys to objective, device-measured analysis.

Individuals who currently use cannabis for sleep aid may want to consider that their subjective sense of rest could differ from objective physiological quality. Consulting with a healthcare provider about persistent sleep issues is recommended over relying solely on self-reported improvements.

The takeaway

Objective sleep tracking tools may provide a more accurate assessment of rest than personal perception for regular cannabis users. Those seeking improved sleep should discuss the potential long-term effects of cannabis with medical professionals.