Do Goldfish Sleep?
Yes, goldfish do sleep and here’s a video to prove it! If you have about ten minutes to spare you can sit and watch this entire video of a goldfish sleeping in his aquarium.
To make sure your goldfish stays happy and healthy be sure to give it some time in the dark each day. 8 to 12 hours (just like humans) should be good. Goldfish can’t close their eyes, so they are depending on you to turn the room or aquarium lights off for them… so they can rest and refresh their brain.
When goldfish do go to sleep they look as if they are suspended in one general area. Just hovering above the bottom or they might hide in a plant or other decoration.