Arousal During the Stages of Sleep
Astronaut Images / Getty Images What Is Arousal? As it sounds, arousal is when a person becomes ‘aroused’ or more alert to some extent during the sleep cycle. It is a change in brain wave activity. Arousal typically represents a shift from sleep to a state of being awake. Change in Brain Wave Activity Alpha Waves and Your Sleep Arousal Signifies Changes in the State of Sleep Arousal typically represents a shift in sleep states....