Kayla, a 20-day-old baby, is asleep in her crib. Her caretaker notices that Kayla is having occasional rapid eye movements during her sleep and her muscles are twitching without any major movements. She smiles in her sleep when her caretaker switches on the light. Which of the following states of arousal is Kayla most likely in?

Question

Quizplus · Accepted Answer

Kayla is most likely in the irregular sleep phase, characterized by rapid eye movements, occasional muscle twitches, and the ability to respond to external stimuli such as light, which can induce smiling or other reactions even during sleep.

Kayla, a 20-Day-Old Baby, Is Asleep in Her Crib