4 or 8, depends on the crunch. But I feel refreshed at those two points. 6 hours or 10 hours feels incomplete. When working on long projects I can sleep twice

4 or 8, depends on the crunch. But I feel refreshed at those two points. 6 hours or 10 hours feels incomplete. When working on long projects I can sleep twice for 4 hours per day and am extremely productive as it feels like two mini days in one.