Medical cannabis has been legal in the UK since 2018 under specialist...

https://smart-wiki.win/index.php/What_do_UK_patients_say_medical_cannabis_feels_like_before_sleep%3F

Medical cannabis has been legal in the UK since 2018 under specialist oversight. It is not a first-line treatment and experiences vary. Some patients find it helps them wind down, but talk to your doctor to see if it is an appropriate, safe choice.