Research study · Journal of Cannabis Research · 2026
Cannabis for sleep in older adults: use has outpaced the science
Verified on PubMed Oxford CEBM Level 1B: Randomized Controlled Trial
A 2026 study in Journal of Cannabis Research tested cannabis in sleep. The research is too thin to say whether cannabis helps older people sleep. This review shows that many older adults are using cannabis for sleep without good evidence that it works or is safe for them, and that most earlier studies involved younger.
In plain language
Study overview
This is a review article about older adults, meaning people aged 50 and up, who use cannabis to help them sleep. The authors looked at what research already exists and what is still missing. They did not run a new study with patients.
Findings
The research is too thin to say whether cannabis helps older people sleep. Many people feel it helps, but studies measuring sleep directly often find smaller changes than people report, and nearly all the research has been done on younger adults.
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The deeper readScientific analysis
Cannabis use among older adults, defined here as those over 50 years of age, has increased rapidly, and sleep disturbance is among the most common reasons for use. Yet, despite growing use of cannabis and individual cannabinoids to facilitate sleep, evidence supporting their efficacy, tolerability and safety in older adults remains limited. Most experimental studies of cannabinoids and sleep have been conducted in younger adults, often using products and formulations that differ substantially from those currently available. The subjective perception of improved sleep, which may drive increased use is often not supported by objective polysomnography or actigraphy data. Aging is accompanied by changes in sleep physiology, pharmacokinetics, body composition, the endocannabinoid system, multimorbidity, and polypharmacy that may alter cannabinoid effects. As a result, findings derived from younger populations may not generalize to older adults. Furthermore, regular and repeated use of tetrahydrocannabinol (THC) and cannabis leads to the development of tolerance and withdrawal-related sleep disruption complicates interpretation of longer-term effects. The evidence for cannabidiol (CBD) and cannabinol (CBN) in sleep remains sparse. Rigorous studies specifically enrolling older adults are virtually nonexistent. Given the rapid growth of cannabis use for sleep in this population, randomized controlled trials incorporating both subjective and objective sleep measures, age-specific pharmacokinetics, drug interactions, and longer-term outcomes are urgently needed to guide clinical care.
The paper
Citation
Draghmeh K, Gupta P, Yaggi H, D'Souza DC Cannabis for sleep in older adults: use has outpaced the science. Journal of Cannabis Research (2026). PubMed 42855715 · DOI
Limitations the authors noted
Narrative commentary without systematic search methodology or quality appraisal of included studies. Evidence base derived almost entirely from younger adults using products that differ from those currently sold. Trials of purified CBD and CBN used relatively high doses that may not reflect whole-plant cannabis. Pharmacokinetic data in older adults are limited and do not establish an independent age effect.
In practice
Why this matters
This review shows that many older adults are using cannabis for sleep without good evidence that it works or is safe for them, and that most earlier studies involved younger people using different products. It does not prove that cannabis fails to help sleep, and it does not establish that it is harmful. It leaves open questions about the right dose, product type, effects on people with several health conditions, and what happens over months or years of use.
Frequently asked questions
Clinical Questions & Answers
What were the primary clinical findings regarding cannabinoids and Cannabis use?
The research is too thin to say whether cannabis helps older people sleep. Many people feel it helps, but studies measuring sleep directly often find smaller changes than people report, and nearly all the research has been done on younger adults.
What study limitations or clinical safeguards should patients keep in mind?
Narrative commentary without systematic search methodology or quality appraisal of included studies. Evidence base derived almost entirely from younger adults using products that differ from those currently sold. Trials of purified CBD and CBN used relatively high doses that may not reflec...
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Reviewed by Dr. Caplan on October 17, 2026.
This page is general education about a published study. It is not medical advice and does not create a doctor-patient relationship. For care specific to you, book a consultation.
