Who Do Dog Sleep On Top Of Each Other. Experts at tufts university explain that dogs like tight spaces because their wild ancestors would sleep in dens. However in many cases this is not true.

The reasons for this are based on the of relationship shared between you and your. Sleeping on top of each other gives them a nice, soft area to lay their body and rest their head. If you’re a light sleeper or there is limited room in your bed, you may consider letting your dog sleep in their own bed.