To be able to sleep underwater, you would need to have very advanced equipment to help you cope with the conditions. For example a wetsuit, and oxygen tank/mask of some sort, and other things.
But if you were to randomly attempt to sleep underwater, you would drown.
They sleep under water.
I think they sleep on the sand under water.
Yes
If chinstrap is a fish, then no. Fish actually don't sleep!
5-10 mins
pet turtles can sleep as much as they want in water if they loose oxygen they will lift their heads and get oxygen
They can sleep under water because they can hold their breath for a very long time.
No the sleep like this they sit down and tuck there face in their back under one wing they sleep on land and water
They will sleep in a secluded area, under a fallen tree, in a thicket, or halfway in the water. Wherever they want, really.
No. They're are too big to.
Anyone can once you get used to it.
they can if they want to , there's nothing to worry about.