Sleeping and Dreaming Vocab

Front

Alpha Waves

Back

Brain waves that occur when a person is relaxed, but still awake. Typically, they occur when you are falling asleep, as you pass from wakefulness into sleep.

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Circadian Rhythm

Back

The natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.

Front

Delta Waves

Back

A type of high amplitude brain wave found in humans. These waves are associated with the deep stage 3 of NREM sleep, also known as slow-wave sleep.

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Dreams

Back

A series of thoughts, images, or emotions occurring during sleep, particularly during REM sleep.

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Latent Content

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The hidden psychological meaning of a dream, as opposed to the manifest content.

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Manifest Content

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The actual literal content and storyline of a dream.

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REM Sleep

Back

A unique phase of sleep characterized by rapid eye movement, more dreaming and bodily movement, and faster pulse and breathing.

Front

Sleep

Back

A naturally recurring state of mind and body, characterized by altered consciousness, relatively inhibited sensory activity, inhibition of nearly all voluntary muscles, and reduced interactions with surroundings.