A sleeping dog with erratic eye movements behind closed eyes and twitching legs is most likely in the midst of _______ sleep.
A) stage 1 Non-REM
B) stage 2 Non-REM
C) slow-wave
D) REM
E) stage 3 Non-REM

Question

Quizplus · Accepted Answer

A dog with closed eyes, erratic eye movements, and twitching legs is displaying classic symptoms of REM (rapid eye movement) sleep, which is the stage of sleep during which dreams occur.

A Sleeping Dog with Erratic Eye Movements Behind Closed Eyes