Since 2018, medical cannabis has been legally available in the UK via...

https://aged-wiki.win/index.php/Why_Do_Clinicians_Look_at_the_Bigger_Picture,_Not_Just_Sleep%3F

Since 2018, medical cannabis has been legally available in the UK via specialist prescription. Usually considered only after other treatments fail, it isn't a guaranteed fix. Because individual responses vary, talking to a clinician is key.