After sleeping for about an hour and a half,José enters a phase of paradoxical sleep. He is likely to

Question

Quizplus · Accepted Answer

During paradoxical sleep (REM sleep), the muscles are relaxed to the point of atonia, which helps prevent the individual from acting out their dreams. Therefore, choice D is the best option as it indicates that José's muscles are very relaxed during this phase of sleep. The other choices are incorrect as paradoxical sleep is characterized by faster, irregular breathing and increased brain activity (as reflected by faster brain waves), and it is typically more difficult to awaken someone during this phase.

After Sleeping for About an Hour and a Half,José Enters