Hours of Sleep: How Long Is Too Little or Too Much?
TL;DR Most adults need enough sleep to feel alert and function well—too little raises health risks, and too much can signal underlying issues. Clock hours alone don’t tell the full story: sleep quality, consistency, and the absence of disruptions matter just as much. If you wake unrefreshed, snore loudly, or notice other problems, consider a professional evaluation. Good sleep hygiene supports healthier, more restorative rest. On average, adults need 7-9 hours of sleep every night to stay healthy unless you are a short sleeper (or sleepless elite). [8] As a short sleeper, he/she has an easy time falling asleep and only needs four to five hours of sleep each night to feel well-rested and alert. However, to be an elite sleeper is, for the most part, genetic and scientists estimate they make up only about 1% of the population. If Sleep Too Little Adults who slept 5 hours or less a night had a 15% greater mortality risk compared with those sleeping 7 ...