Originally Posted by Aar_Canada
I wouldn't call it abnormal. Some folks are fine with 4 hours, some with 3, 6. Napoleon slept 4 hours a night. Da Vinci slept 1.5, divided into 15 minute naps every 4 hours.
it is totally abnormal. The human body was not intended to operate in such a manner. Nobody can go sleeping 3 or 4 hours a night longterm i.e. years and not feel some negative consequences as a result. and that's not personal opinion. It's medical fact.