Insomnia is a sleep disorder characterized by inability to sleep or sleeping less time than desired. The endocannabinoid system plays a role in sleep processes and medical cannabis users already reported benefits of cannabis use to sleep. More research on the molecular mechanism of cannabinoids in sleep processes could uncover their potential on treating sleep disorders.

OCD is an anxiety disorder characterised by the obsessive urge for repetitive behaviour.

Posttraumatic stress disorder is considered a mental disorder caused after traumatic experiences like traffic accidents, violent circumstances, rape, warfare, etc. Typical symptoms include anxiety, nightmares, flashbacks and trauma-related cues.

ADHD is a neurodevelopmental disorder that is characterised by loss of attention and impulsive behaviour.