"Think of it this way: Would you rather have someone working at 60 per cent of capacity for 11 hours a day, or someone who only puts in eight working hours a da

"Think of it this way: Would you rather have someone working at 60 per cent of capacity for 11 hours a day, or someone who only puts in eight working hours a day, but by taking breaks to renew and recharge, is able to operate at 95 per cent capacity? " I've always had a slight worry about going into surgery because of this same question. How long has my doctor been awake or how much sleep has he had in the last 24 hours?