Sydney went to bed and fell asleep. Sydney's friend called and woke her up. When the phone rang, Sydney was in the stage of sleep in which her body temperature had dropped and her heart rate had slowed. When her friend called, Sydney was not difficult to wake, but she did not wake immediately. Sydney is MOST likely in stage _____ of sleep.

Question

Quizplus · Accepted Answer

Sydney was most likely in stage 2 of sleep, characterized by a drop in body temperature, a slowed heart rate, and being relatively easy to wake, though not immediately. This stage is a part of the light sleep phase where the body starts to prepare for deep sleep.

Sydney Went to Bed and Fell Asleep