Since 2018, medical cannabis has been a legal option for specific sleep...

https://www.click-bookmark.win/since-2018-medical-cannabis-has-been-a-legal-option-in-the-uk-for-specific

Since 2018, medical cannabis has been a legal option for specific sleep disorders in the UK, provided under strict specialist oversight. It is important to note that this is never a first-line treatment, and patient experiences vary significantly