Sleep Loss Hampers Performance

Many nights of too little sleep when the body’s rhythm says it is time to snooze have cumulative detrimental effects on how a person performs and could be a safety risk, the researchers wrote in the journal Science Translational Medicine. … On average, a person needs about eight hours a night to preserve performance, said Cohen, a neurologist. Acute sleep loss is being awake for more than 24 hours in a row and chronic sleep loss is getting only about four to seven hours of sleep per night/ Reuters . More here .

Question: How many hours do you sleep at night? Is it enough?