Answer;
-Increases markedly at about 3 or 4 months of age
Explanation;
-Quiet sleep, also called slow wave sleep, increases markedly at about 3 or 4 months of age.
-Slow wave sleep is a state of deep usually dreamless sleep that occurs regularly during a normal period of sleep with intervening periods of REM sleep and that is characterized by delta waves and a low level of autonomic physiological activity.
-Additionally, it is characterized by delta waves. Dreaming and sleepwalking can occur during Slow wave motion.
