Some relief for employers from the clarification that workers who sleep overnight in or near the workplace will only be entitled to have their sleep-in hours counted for NMW purposes where they are, and are required to be, awake for the purposes of performing their duties.
Can You Be Working When You’re Asleep? Court of Appeal Says No!
http://app.legalrss.co.uk/freeths/can-you-be-working-when-you-re-asleep-court-of-appeal-says-no
