Since 2018, medical cannabis has been legal in the UK under specialist...

https://johnathanrsnj030.lucialpiazzale.com/how-is-uk-medical-cannabis-different-from-self-directed-use-for-sleep

Since 2018, medical cannabis has been legal in the UK under specialist oversight. It is not a first-line treatment and patient outcomes vary. Some people report it helps with winding down, but it is not for everyone