Hybrid Pharm cannabis for insomnia research study

Cannabis use in patients with insomnia and sleep disorders: retrospective chart review

Below is an abstract of a research study conducted at Hybrid Pharm for patients who suffer from insomnia. To download and read the complete study, click here.


Medical cannabis has been increasingly used in Canada after being sanctioned by Health Canada in 2001. Insomnia and sleep disorders are among the most common conditions for which patients report using cannabis. Current research shows cannabis may have a beneficial effect on sleep disorders and may improve patient-reported sleep scores.


A retrospective chart review was conducted at Hybrid Pharm community pharmacy in Ottawa, Ontario, and included patients who were interested in, or already using, medical cannabis for sleep disorders. A qualitative, exploratory approach was taken to evaluate the descriptive efficacy and safety of medical cannabis when prescribed for insomnia or comorbid conditions. The comprehensive data collection also involved investigating the impact of cannabis on other medications used for insomnia.


A total of 38 patients were identified as having adequate follow-up documentation to assess the impact of medical cannabis. At the time of data collection, 15 patients (39%) were able to reduce or completely discontinue a prescription medication indicated for sleep. On follow-up, 27 patients (71%) reported a subjective improvement in their sleep or related condition. Only 8 patients (21%) reported any adverse effects from medical cannabis use, and these were manageable and did not require discontinuation of cannabis.


This study highlights the importance of a pharmacist’s role in the management of cannabis-based therapy, including ongoing supportive care, follow-up and medication management.

To download and read the complete study, click here.

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