The body needs 7-8 hours of sleep per day. Sleep is cumulative; if you lose sleep one day, you feel it the next. If you miss adequate sleep several days in a row, you build up a ’sleep deficit’, which impairs performance, reaction time,...

How many times have you said ‘if I only had a few more hours..’ or ‘8 hours a day is just not enough’? You would have conquered the world if you had more time, right? So, how do people find time to finish up their work? Cut...