Do Dogs Sleep With Their Eyes Open? What’s Normal and When to Worry
Yes—sometimes they do, and in many cases it is completely normal. A dog may be in light sleep, in REM sleep, or showing the third eyelid—also called the nictitating membrane—which…
Yes—sometimes they do, and in many cases it is completely normal. A dog may be in light sleep, in REM sleep, or showing the third eyelid—also called the nictitating membrane—which…