when i worked nights, i would do it every weekend, get up friday night to go to work @ ~7:00PM or so, get off from work sat morning @ 8:00AM, stay up all day to spend time with wife and went to sleep with her, about 11:00PM sat night or mabe all the way until 3:00sunday morn.
did this for ~3yrs, really wears you out. i was basically tired for 3yrs 🙁
now, never, usually get about 6hrs/night