Dog in a Box

In all the dogs we have had - all dachshunds since 1971, we have never had one that liked sleeping in a box. While speaking with one of the members of the Dachshund Club of Queensland, I learn that dachshunds often hide in boxes. Seems that in all those years we've not left one around for one of our dogs to climb into, until recently.

So why would they like sleeping in a box? These little dogs were bred to be badger hunters - and badgers would be found down their burrows. It appears that dachshunds like being in dark confined spaces - hence the love of boxes.
Now I wonder what would happen if I had a hole or burrow in my yard??