UK EV drivers using medical cannabis should be aware that 'in charge' rules...

https://wiki-global.win/index.php/Can_I_Drive_the_Next_Morning_After_Taking_Medical_Cannabis_at_Night%3F

UK EV drivers using medical cannabis should be aware that 'in charge' rules apply, meaning even while parked and charging, a 2 micrograms per litre THC limit is enforced