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7 Cards in this Set
- Front
- Back
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Rest |
A condition in which the body is in a decreased state of activity, with the consequent feeling of being refreshed. |
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Sleep |
State of rest accompanied by altered consciousness and relative inactivity. |
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Circadian rhythm |
Rhytmic biological clock. Influenced by internal and external factors. Completes a full cycle every 24h. |
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Non-rapid eye movement (NREM) and REM sleep |
Characterizes the dream state of sleep. |
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Delta sleep |
Slow wave sleep. Stages 3&4 , represents 10% of total sleep. |
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Sleep cycle |
Person passes consecutively through the four stages of NREM. |
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Melatonin |
Natural chemical produced at night that decreases wakefulness and promotes sleep. |
