Do you actually need 7-8 hours of sleep every night? One man sought to find out.
If you’re like most of the population, you probably sleep in what’s called a « monophasic pattern, » which means you do all your sleeping in one 7-8 hour chunk. But what would happen if you slept in shorter nap-like phases? I decided to find out:
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Polyphasic sleeping is a method of sleeping where people get their rest in multiple phases throughout the day. So, in theory, they can function on less sleep.
One of the more controversial forms of polyphasic sleeping is the « Uberman schedule, » where people sleep for six 20-minute naps throughout the day. This cuts their sleep-time down to two hours.
This could add a whooping 20 years of awake time to someone's lifespan.
But, since this schedule is one of the more extreme forms of polyphasic sleeping, I consulted a current polyphasic sleeper to figure out something more practical for him.