Sleeping and Dreaming

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What happens in stage 1 of sleep?
Brain activity lowers and you become drowsy.
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What happens in stage 2 of sleep?
Brain waves become slower and eye movement stops.
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What happens in stage 3 of sleep?
Delta waves get faster.
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What happens in stage 4 of sleep?
You go into deep sleep and growth hormones are released.
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What happens in REM sleep?
The breathing quickens and becomes less regular and eyes move rapidly. Brain waves are similar to when you're awake. Heart rate increases, blood pressure rises and dreams occur.
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What is endogenous pacemaker?
It is your suprachaismatic nucleus (SCN) that picks up light around your body.
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What is the exogenous zeitgeber?
The light and dark in the environment
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What is the pineal gland?
The part of brain responsible for producing melatonin
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What is melatonin?
Makes us feel drowsy and less alert.
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What is the limbic system?
It is responsible for visual processing and controls emotions and drives.
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What are pons?
They operate as a message stations
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What is sleep onset insomnia?
It is when you struggle to fall asleep at night.
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Other cards in this set

Card 2

Front

What happens in stage 2 of sleep?

Back

Brain waves become slower and eye movement stops.

Card 3

Front

What happens in stage 3 of sleep?

Back

Preview of the front of card 3

Card 4

Front

What happens in stage 4 of sleep?

Back

Preview of the front of card 4

Card 5

Front

What happens in REM sleep?

Back

Preview of the front of card 5
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