4 ms·
You're kidding yourself if you think every human has the same sleep needs. For me 5 to 7 hours is optimal, 8 hours or more leaves me sluggish for the day.
by bfuller 8y ago
You're kidding yourself if you think every human has the same sleep needs. For me 5 to 7 hours is optimal, 8 hours or more leaves me sluggish for the day.