How to express your thanks in numerous different languages, and how to reply when someone thanks you.
Report Abuse. Namaste Ramesh. Lions sleep 20 hours every day. Male lions sleep up to 20 hours per day (with one eye open so to speak.) While the females are the hunters the male lions don't and their job is to protect the pride (their harem so to speak).
How does sleep work in adulthood? Does it change -- for better or worse -- as we age? And why do we feel like we never get enough of it? An average adult needs between 7.5 and 8 hours of sleep per night. âBut many people can function with 6 hours' sleep, and there also some who need 9 hours or more,â says Sudhansu Chokroverty, MD, professor and co-chair of neurology and program director for clinical neurophysiology and sleep medicine at the New Jersey Neuroscience Institute at JFK Medical Center in Edison, N.J.