No one knows. Try and look up some techniques on Google.
eyes opened
No. They close their eyes like us when they sleep.
Yes, bats do actually sleep with their eyes open although they do have the ability to shut them. Frogs and fish also sleep with their eyes open and surprisingly so do cattle! However, as they are unconscious they are not able to see.
Yes they sleep with their eyes open :)
No. Kookaburras are not known to sleep with their eyes open.
No ,they sleep with their eyes open
Seahorses don't have eyelids, so they sleep with both Eyes open.
Yes, mice do close their eyes when they sleep. They typically sleep with their eyes closed to rest and relax during their sleep cycle.
Yes, dogs sleep with their eyes closed.
Yes you do!
they sleep with their eyes closed
They sleep very often. If you see your Rabbit sitting their with a blank look on its face it may be sleeping. They do not have to have their eyes closed to sleep. They can sleep with there eyes opened. They also can sleep with their eyes closed (Sounds like my kids)