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10 Cards in this Set
- Front
- Back
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Approximately how long is a full wake/sleep cycle?
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25 hours |
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pineal gland |
releases melatonin at night |
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affect of damaged SCN on sleep |
SCN is suprachiasmatic nucleus SCN lesion does not affect total sleep time, but tends to cause lots of short sleeps throughout day |
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what normally keeps our sleep/wake clock on time? |
the SCN receives direct input from the retina |
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why do we sleep - evolutionary explanation |
sleep causes us to conserve energy at times when we would be relatively inefficient |
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horse sleep trick |
standing up |
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dolphin porpoise sleep trick |
one half of their brain at a time
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Peter Tripp (1959) how long and effect |
201 hours, psychosis |
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Randy Gardener (1964) how long and effect |
264 hours, no noticeable negative effects |
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is sleep deprivation bad? |
not inherently no (Randy Gardener) |
