Why does my dog suddenly hide under the bed?

Typically, it’s a harmless behavior. Dogs will hide under the bed (or another dark, small area) mostly because they find it a comfortable spot to relax and take a nap. … They’ll feel safer if they’re tucked away under the bed, as it separates them from any chaotic noise or stress. (Cats have been known to do it, too.)

Do dogs hide when they are sick?

Animals, including domesticated dogs and cats, are hardwired to hide when they are feeling sick and/or weak because they understand that weak animals are easier targets for predators.

Why is my dog acting weird all of a sudden at night?

Arthritic or structural ailments can make dogs uncomfortable and therefore make it harder for them to settle, causing stress. Also failing senses of sight or hearing can put your dog on edge at night. Noise phobia can also be heightened during the night when it is dark and visibility is restricted.