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18 Cards in this Set
- Front
- Back
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What are some of the main body functions that cycle about daily circadian rhythms? ( 3 listed)
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Blood Pressure
Heart Rate Core Body Temperature |
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What are the typical hours for performance peaks?
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12pm to 9pm
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Relative to circadian rhythms, what hours do we usually hit circadian trough?
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3am to 6am
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What are Zeitgebers?
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External synchronizers that "re-set" biological clock.
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External synchronizers that "re-set" biological clock are called _____
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Zeitgebers
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Name some Zeitgebers
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Sunrise-Sunset
Ambient Temperature Meals Social Cues |
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Circadian Desynchronization is nicknamed _____
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Jet Lag
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Name some effects of Jet Lag
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Slow reaction times
defective memory Errors in computations Accepting lower standards of performance |
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Eastward travel _____ the day
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shortens
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Westward travel ____ the day
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lengthens
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Resynchronization occurs much more rapidly (jetlag recovery) when traveling _____
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west
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Duration and quality of sleep is most dependent on _______
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Body temperature
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It is the ____ of sleep, not neccessarily the amount of sleep that is most significant.
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Timing
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Around 45 percent of sleep is in sleep stage number ______
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2 (non Rem)
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What percentage of sleep does an individual usually spend in REM?
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around 30 percent
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When someone takes a long nap and ends up feeling more tired than before, this is called...
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Sleep Inertia
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Name the 4 types of work pauses
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Spontaneous pause - "catch breath"
Disguised pauses - change of activity Work-caused pause - waiting on machine ect. Managment-prescribed pause - lunch break |
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Name some negative effects of late shift on individuals... ( 7 listed)
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Disturbances of family/social life
Fatigue/Drowsiness Increased accident risks Sleep disorders Gastrointestinal disorders Cardiovascular disease Nervous disorders |
