I get extreme headaches if I sleep > 9.5 hours. They're brutally bad. Sweet spot for me is > 6 but < 8.5 hours per night w/ earplugs and a sleep mask on. Qualit

I get extreme headaches if I sleep > 9.5 hours. They're brutally bad. Sweet spot for me is > 6 but < 8.5 hours per night w/ earplugs and a sleep mask on. Quality > Quantity, at least for me. I average 7 hours of sleep per night and do quite well on it. Used to do 5-6 hours/night and it eventually caught up to me in my 30s, but improving quality via ear plugs + mask + mattress went a lot further than an extra hour of sleep.