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

https://www.bookmarkingqueen.win/since-2018-medical-cannabis-has-been-a-regulated-option-for-chronic-insomnia

Since 2018, medical cannabis has been legally available in the UK via specialist prescribing. It is typically considered as a third-line option, only after standard sleep treatments and therapies have been exhausted