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).
Take a good look at these giraffe nap pics, because you won't often catch a giraffe sleeping. In fact, despite being the tallest animal, giraffes have the shortest sleep requirements of any mammal, sleeping an average of just 30 minutes per day. And when they do sleep, usually it's just for a few minutes; until the 1950s, researchers believed that giraffes don't sleep at all. Show Full Text.