The pet owner was watching a TV show with her dog one day, but as she watched, she heard the dog snoring. She turned around and was almost startled:

This thing sleeps with its eyes open!!!



If it hadn't been completely still and snoring, its owner wouldn't have realized it was asleep...



According to its owner, this dog usually sleeps with an ugly posture and often shows its teeth.



This was the first time the owner had ever seen the dog sleep with its eyes open. Perhaps it was too tired and had forgotten to close its eyes...

This is supposedly the ultimate level of sleeping: appearing not to be asleep, but actually sound asleep?