Q: Why do dogs curl up in a ball while sleeping?
March 10, 2009 | By Anonymous | 17 answers | Expired: 2137 days ago
Mar 10, 2009
I think it is two reasons. Before dogs were domesticated they slept outside in the cold and sometimes snow. They curled up to keep warm. They curl up on their stomachs to protect the throat and chest safe from any attackers. my Labrador does this and if you touch her in those spots she growls.
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