from Part VIII - Special Topics
Published online by Cambridge University Press: 12 May 2023
Sleep is a vital biological process, serving an important role in proper neurodevelopment, energy conservation, brain waste clearance, modulation of immune responses, neurocognition, mood, memory consolidation and performance/vigilance. Many of these processes are altered in psychiatric illnesses. There is mounting evidence that the endocannabinoid system (ECS) plays a key role in the sleep/wake cycle. Acute administration and chronic use of THC and cannabis have been shown to alter sleep in small studies of healthy, young people. Sleep disturbances are also part of cannabis withdrawal syndrome and include increased sleep complaints, decreased SWS and increased REM. Sleep disturbances are a promising target for treatment of cannabis use disorder. Given the link between cannabinoids and psychosis, the role of cannabis-induced sleep alterations in psychosis-prone individuals and schizophrenia patients warrants further study.
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