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

https://rapid-wiki.win/index.php/How_Do_You_Actually_Qualify_for_Medical_Cannabis_for_Insomnia_in_the_UK%3F

Since 2018, medical cannabis has been legally available in the UK via specialist prescription. It is usually considered only after other treatments have failed to provide relief. Because individual health needs are unique, outcomes vary significantly