Since becoming legal in the UK in 2018, medical cannabis has been available...
https://johnathanrsnj030.lucialpiazzale.com/how-do-uk-patients-describe-mornings-after-medical-cannabis-for-sleep
Since becoming legal in the UK in 2018, medical cannabis has been available under strict specialist oversight. It is never a first-line treatment for sleep issues and should only be discussed once standard approaches have been tried