Since 2018, medical cannabis has been a legal treatment option in the UK, yet...

https://fast-wiki.win/index.php/Understanding_the_Pathway_to_Medical_Cannabis_Treatment_for_Insomnia

Since 2018, medical cannabis has been a legal treatment option in the UK, yet it is rarely a first-line therapy. Specialists typically consider prescribing it only after other evidence-based sleep interventions have proven ineffective