Why do dogs sleep with their tongue out?
Best Answers
Many dogs sleep or rest with the tip of their tongues "peeking" out, or let it all hang entirely. By sticking some or all of the tongue out (panting or not), contact with the air aids in evaporation of saliva on it, which cools down the tongue and releases heat from the blood supply carried in the vessels. read more
Normally dogs will pant and even sit with their tongues hanging out to stay cool, but they do pull the tongue back in to swallow and to moisten the surface. A dog with hanging tongue syndrome is unable to retract their tongue, leading to drying, cracking and even discoloration of the skin of the tongue. read more
Dogs pant and let their tongues hang out of their mouth to regulate their body temperature, because they have fewer sweat glands than humans. However, several other explanations exist as to why dogs hang out their tongues. read more
