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

https://hectorgtso786.almoheet-travel.com/medical-cannabis-for-sleep-understanding-the-role-of-follow-up-care

Since 2018, medical cannabis has been legal in the UK under specialist oversight. It is not a first-line treatment, and results vary significantly between patients. Some report it helps them with winding down before bed