7-8 hours a night sleep is a myth. I know mostly we are brought up that way. There are different group of doctors who don't believe 7-8 hours must sleep myth.  I sleep 5-6 hours a day, I never had any fatigue/lack of energy or anything. There are certain tricks to get that level of energy. Wanting to share if someone is interested, else don't wanna do blah blah for nothing