Burrows in the ice or enclosed areas! :)
No penguins can sleep on water.
they dont really sleep
Adelie penguins usually sleep on rocks. If they are taking care of an egg, they will sleep standing up. Like most penguins, Adelie don't sleep for very long, instead they take short naps.
Yes Penguins do sleep standing up. Father penguins especially because when the mother has an egg they protect it between their feet and stomach.
they sleep on there bellies to keep very warm
Penguins sleep on ice, either on Antarctica's beaches where they breed, or on ice floes in open water.
yes
they sleep while standing up and hudled in a group.
they sleep in nest made out of rocks
Sleep, maybe
Because they get tired
yes they do!