AP PSYCHOLOGY

Detailed explanation-1: -Hypnagogia occurs during the transitional period of wakefulness to sleep, when alpha waves are decreasing but you haven’t yet reached the first stage of sleep. During this period, your sense of “here” and “now” transitions from the real world to the dream world.

Detailed explanation-2: -Hypnagogia is marked by a high level of both alpha and theta brainwaves. As we begin to fall asleep, the brain moves from a prevalence of relaxing alpha waves to drowsy theta waves, but this fluctuation means that no single type of brain wave is dominant during hypnagogia.

Detailed explanation-3: -Hypnagogic hallucinations are possible during stage 1 of non-REM as an individual transitions from wakefulness to sleep. Hypnagogic hallucinations are described as dream-like episodes affected by stimuli of the immediate environment (like light and sounds) and by events happening briefly before sleep onset.

Detailed explanation-4: -Alpha brain waves are the main brain wave pattern that develops when a person becomes drowsy. View Source and transitions from wakefulness to sleep. They continue during the early phase of sleep until they are replaced by slower theta waves.

Detailed explanation-5: -Sensory or tactile hypnagogic hallucinations refer to when a person feels bodily sensations that are not actually occurring, like the feeling of falling or weightlessness. Sometimes people sense that another person is in the room, even when no one is present.