Digging is a natural behavior, especially if you have a breed that was bred for digging while.
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Images. Furthermore, if we look at the number of dogs who circled more than once before laying down, we find only one who did so on the smooth surface, as compared to 19 percent of the dogs who circled. One of the main reasons for a dog scratching the floor at night has to do with nesting.
Q: Why Do Dogs Circle, Dig Before Lying Down? from assets.rbl.ms
Sleepy dogs turn around in circles and do kind of a dance before going to sleep. So many people get on the internet and ask why dogs dig holes and lay in them. Other dogs will 'dig' in the carpet and turn a few times before lying down, which again may be the expression of an innate behavior dogs engage in to fluff up their bedding before lying down.
So, why do they do it?
It's the same impulse that leads us to twist. While domesticated dogs now have comfortable and safe places to sleep in their modern homes, the urge to scratch at the floor before lying down is literally coded into canine dna, making it nearly impossible to resist. Another funny yet adorable behavior is circling round and round before settling themselves down. Using digging actions with their paws, circling and trampling with their bodies have once moved and shifted sticks, stones, leaves and grass when they wanted more comfortable place to sleep in the wilderness.
