There’s the main, longer sleep pattern with a nap halfway through the day. This is common for those who start work at four or five in the morning, for example. POLYPHASIC While this is natural ...

Official advice says that healthy adults require 7 to 9 hours of sleep every night for physical and mental health. Anything below this and you risk long-term sleep deprivation, which in turn ...

I slept 4.5 hours per day for a week as part of a polyphasic sleep routine. Most people follow a monophasic sleep schedule, which involves seven to eight hours of continuous sleep every night.

One tactic that some people are taking is a polyphasic sleep pattern. Before you jump on the bandwagon, however, you need to know the dangers of this trendy sleep schedule. “Sleep is where all ...