I get into the rhythm (the creative rhythm, I mean) by ~ 9 or 10 PM and could go on till early morning ~ 2 AM. Had to get up ~ 7 for day job. Sleep debt easily

I get into the rhythm (the creative rhythm, I mean) by ~ 9 or 10 PM and could go on till early morning ~ 2 AM. Had to get up ~ 7 for day job. Sleep debt easily builds up over the work week and I try to catch up during the weekends and most of the time end up with a bad feel or a bad headache.