Since 2018, medical cannabis has been a legal treatment option for insomnia in...

https://alpha-wiki.win/index.php/If_I_Keep_Waking_at_3am,_What_Kind_of_Insomnia_Is_That%3F

Since 2018, medical cannabis has been a legal treatment option for insomnia in the UK, provided it is managed by specialist clinicians. Typically, this pathway is only explored after conventional sleep treatments have proven ineffective