UK EV drivers using medical cannabis should know the ‘in charge’ rules apply...
https://stephenczub458.theglensecret.com/can-i-drive-the-next-morning-after-taking-medical-cannabis-at-night
UK EV drivers using medical cannabis should know the ‘in charge’ rules apply even when parked and charging. The legal THC limit is 2 micrograms per litre of blood, so a roadside swab can still lead to a blood test