UK EV drivers medicating with cannabis should know that 'in charge' rules apply...

https://high-wiki.win/index.php/If_I_Am_Asleep_in_My_Car_at_a_Charger_After_Dosing,_Can_I_Be_Charged%3F

UK EV drivers medicating with cannabis should know that 'in charge' rules apply even when parked and charging. The legal THC limit is just 2 micrograms per litre of blood