Eight-year-old Cate stood by her mother's bed,watching her sleep and perplexed by the rapid movement of her mother's eyes beneath the eyelids.We know Cate's mother was experiencing stage III sleep by what Cate witnessed.

Question

Quizplus · Accepted Answer

The rapid movement of the eyes beneath the eyelids indicates REM (Rapid Eye Movement) sleep, not stage III sleep, which is characterized by deep, non-REM sleep.

Eight-Year-Old Cate Stood by Her Mother's Bed,watching Her Sleep and Perplexed