Sleep more, but feel tired I always notice some questions on Quora . Something about sleep more , but feel tired . Why i feel tried when sleep less , but i am much more tried when i sleep more . Many people are puzzled at this issue . Actually when you feel tired , it means that your sleep quality is not good enough . Tired or energetic depend on the sleep quality . For example , i just sleep about 6 hours , but i am always energetic all the day , sometimes ,before the weekend ,i will stay up to watch TV and sleep at 2 am or later, finally i get up in the morning maybe about 10am or [...]