A biological rhythm that occurs once every 24 hours (e.g. sleep-wake cycle)
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Ultradian Rhythm
A bio-rhythm that occurs more than once every 24 hours (e.g. sleep cycle, which occurs about 5 times, or eating every 4 hours)
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Infradian Rhythm
A bio-rhythm that occurs less than once every day (e.g. Menstrual cycle)
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Shift Work
When
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Jet Lag
Traveling across time zones and the physiological effect it has on our bodies doing so, to adjust to a new time
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Phase Delay
Traveling East to West- going to bed later (Easier to adjust to)
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Phase Advance
Traveling West to East- waking earlier
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REM sleep
Rapid Eye Movement, is the fifth stage of sleep where dreaming occurs, heart rate slows, muscles relax and breathing is rapid and shallow
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SWS sleep
Slow-Wave Sleep, stages 1-4 where the body moves from light sleep to deep sleep and produces more delta waves
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Sleep stages
5 stages of sleep, lasting 90 mins per cycle (5 a night, av. adult) Skips stage 1 after first cycle. DEMENT AND KLIETMAN (1957) (help from ASERINKSY AND KLIETMAN (1953))
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Ecological (Environmental) Theory
Theory of sleep, suggesting we sleep to avoid dangers/ predators and to conserve energy
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Restoration Theory
Theory of sleep, suggesting we sleep in order to rest and recover
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Insomnia
Sleep disorder where a person struggles to fall asleep or stay asleep or both
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Sleep Onset Latency
Time taken to fall asleep (Insomnia: more than 30 mins)
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Sleep Efficiency
Time spent asleep (Insomnia: less than 85%)
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Primary Insomnia
No apparent cause of insomnia, naturally occurring (a big pain)
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Idiopathic Insomnia
The most severe form of primary insomnia that begins in childhood and is lifelong. It's associated with high levels of depression.
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Secondary Insomnia
Insomnia caused by a single medical, environmental or psychiatric factor
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Transient Insomnia
Insomnia lasting less than one week (associated with jet lag)
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Short-term Insomnia
Lasts between 1 and 4 weeks
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Chronic or Clinical Insomnia
Lasts for more than one month hand has significant and distressing effects on day time work and functioning
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Sleep Apnoea
When a person stops breathing while asleep (lasts between a few seconds to a few mins)
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Narcolepsy
Sleep disorder where a person will spontaneously fall asleep
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Sleep Walking
Sleep disorder where a person performs tasks in a low state of consciousness
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Cataplexy
Loss of muscular control
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Hypocretin
A neurotransmitter that is closely linked with narcolepsy (Hypocretin is important in maintaining wakefulness)
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Other cards in this set
Card 2
Front
A bio-rhythm that occurs more than once every 24 hours (e.g. sleep cycle, which occurs about 5 times, or eating every 4 hours)
Back
Ultradian Rhythm
Card 3
Front
A bio-rhythm that occurs less than once every day (e.g. Menstrual cycle)
Back
Card 4
Front
When
Back
Card 5
Front
Traveling across time zones and the physiological effect it has on our bodies doing so, to adjust to a new time
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