Do Fish Sleep?

It's hard to imagine Nemo catching some z's in the Great Barrier Reef. But fish do need rest. Do they sleep like we do?

Do Fish Sleep with Their Eyes Open?

Is it normal for fish to sleep vertical near the top of the tank

Fish Sleeping Habits

Do fish sleep?

Sleep? These blind fish don't have time to sleep

Do Goldfish Sleep? (How To Tell And Patterns) - AquariumStoreDepot

QuickCheck: Do fish sleep?

How and When Do Betta Fish Sleep? - PetHelpful

Do Fish Sleep? – Tidewater Teddy

Curious Kids: how do fish sleep?

How and When Do Betta Fish Sleep? - PetHelpful

Do Fish Sleep? Tropical freshwater fish, Sleep, Fish

Ask Team MTB: Do Fish Sleep?, by Rebate Sale