Short answer, no. he's probably either very scared or just resting before he motors on with his life. they can be girls too you know. i have one. and no they do not sleep with their eyes opened.
yes
Yes, if it can blink, it has eyelids. The only animals that don't to my knowledge are certain reptiles and fish.
Rats have eyelids.
When they're first born, they can't see, but then they develop eyelids, and can see.
no they dont have eyelids
Dogs actually have 3 eyelids.
3 eyelids
Yes, dinosaurs did have eyelids.
3 eyelids
Eyelids are accessories of the eye. They are not organs.
goldfish do not have eyelids therefore they cannot blink.No.
Most snakes have no eyelids or legs.
snakes don't have eyelids!
No. No species of snake has eyelids.