do fish sleep
They sleep but their eyes remain open. Sometimes at night you'll see them just sort of resting on the bottom.
yes but they sleep with their flippers going so you can never really tell.
Yes but you can't tell
Good question I have never seen one with both eyes closed
They just stay and one spot and rest not sleep
Yes...Anything with a heart beat...
Kind of. It's more like resting with their eyes open to be alert of their surroundings.
Yes but they don't close their eyes