theguardian.com
Cannabis and Sleep: A Complex Relationship
A new study reveals that cannabis' impact on sleep varies greatly depending on pre-existing mental health conditions. While it may help some, it can worsen sleep for others, highlighting the complexity of its effects.
English
United Kingdom
HealthLifestyleMental HealthResearchSleepCannabisEffects
University Of Southern California’s Keck School Of MedicineHarvard Medical School
Claire WalshPeter Grinspoon
- What were the main findings of the USC study on cannabis and sleep?
- A new study suggests that cannabis may improve sleep for young adults with pre-existing depression or anxiety, but worsen sleep for those without such conditions. The study used data from 3,300 high school students and found that cannabis use correlated with decreased sleep problems in the former group and increased problems in the latter.
- What are some criticisms of previous research on cannabis and sleep?
- Many studies showing negative impacts of cannabis on sleep may be skewed due to factors such as the 'war on drugs' bias in research funding and methodology. Also, much research has focused on smoked cannabis, which is not the healthiest way to consume it.
- How does the endocannabinoid system relate to cannabis's effect on sleep?
- The endocannabinoid system, which regulates sleep, is affected by cannabis. People with pre-existing anxiety or depression, who are more prone to insomnia, may find cannabis more beneficial for sleep because it is easier to improve a condition that already exists.
- What are the potential risks associated with using cannabis to improve sleep?
- While cannabis might improve sleep for some, it carries risks like dependence and withdrawal symptoms, and can reduce REM sleep, which may have unknown long-term implications. However, other sleep medications also reduce REM sleep, suggesting a possible double standard in the perception of cannabis.
- Why might cannabis improve sleep for some individuals but worsen it for others?
- THC, the main psychoactive component of cannabis, may mask symptoms of anxiety and depression, which often negatively affect sleep. However, this doesn't mean that cannabis is treating the underlying mental health condition.