Polyphasic sleep - Who needs only 1.5 hours sleep a night ?
Giraffes.
That’s right, giraffes need on average only 90 minutes sleep per night.
Think of all the things we could do if we could get away with that…..
Well you may not get away with 1.5 hours, but some people manage to sleep only 2-3 hours each 24hours cycle by adopting the Polyphasic/Uberman sleep schedule.
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