I’m one of the rare few who needs only 4 hours of sleep per night
How would you spend your time if you only needed four hours of sleep? For Sindi van Zyl, and many other 'short sleepers', 3 or 4 hours a night is enough sleep to thrive. Speaking to Pavithra Mohan in Fast Company, she reveals the strange realities of being a short sleeper, from what tiredness feels like to operating on one hour of sleep.
From Fast Company