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18 Cards in this Set
- Front
- Back
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sleepiness |
actively fighting the urge to sleep |
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we underestimate the impact sleepiness has on our daily and long term lives. T or F |
true |
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How many sleepiness scales are there? |
3, Stanford sleepiness scale, epworth sleepiness scale, MSLT |
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What is sleep debt and what are the impacts of sleep deprivation |
Accumulated amount of sleep loss of daily need, with a larger debt we have higher sleep tendency, less latency, cognitive impairment such as reaction time, decision making, mood and sense of well being. |
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You can catch up on sleep on weekends like cashing in a "fat cheque" T or F |
False, get as much sleep in one night, then slowly chip away at it with more sleep nightly and naps. |
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We feel sleepy after meals because we eat big meals. T or F |
False we feel sleepy because of clock dependent alerting. |
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What was the Randy & Gilbert study regarding sleep deprivation? |
with 90 hours of sleep debt, the body had lower temp, slowed reaction time, memory and sensory decline. Had worse grip strength, and pain tolerance went down. |
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who was Randy Gardner? |
17 year old who holds the world record of 260 hours of sleep deprivation, had fluctuating symptons like blurred vision/hallucinations, memory decline and unable to speak. 4th day EEG altered he was no longer "awake" |
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What was the Reschtaffen study? |
Put rats on a rotating table, when fatigued stopped grooming, body temp declines, skin lesions and lost weight despite eating more food, and REDUCED THYROXIN, HIGH LEVELS OF CORTISOL, lymph nodes filled with bacteria from intestine and died within 2-3 days. |
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What leads to sleep deprivation? |
Our choices with, electronic screens, caffeine culture, fit more in to get more done culture, work schedules, social events and priorities, stress, and external stimuli |
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what are the physiologic responses to sleep deprivation? |
heart palpitations, slow eyelid closure and itchy eyes, head dropping with sudden jerk ups, yawning, tremors and muscle aches, increased tendon reflexes and muscle spasms, fall in body temperature. |
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what are the hormonal effects of sleep deprivation? |
High cortisol levels = stress, decreased growth hormone secretion, Recent vaccinations can be rendered or less effective, decreased resistence to infection = decline in immune system. Decrease in leptin and increase in ghrelin = MORE HUNGER and increase insulin. |
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The brain has a compensatory system where other parts of the brain will help solve a complex problem when sleep deprived. T or F |
true |
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REM rebound |
getting a higher % of REM sleep when sleep deprived. |
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Micro sleeping |
Brief NREM sleep - complete inattention, but denial of sleep |
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Sleep deprivation psychological effects |
psychomotor, cognitive and perceptual effects. loss of alertness, reaction time and concentration. impaired ability for complex tasks, and innovation, and creativity. Decreased ST memory, and verbal fluency, there are so many.. on the test just say its an effect. |
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Behavioural effects of sleep deprivation |
Spontaniety, apathy/indifferent, less desire to socialize, decreased sense of humor, decreased labido, clumsiness |
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Alcohol worsens sleepiness. T or F |
TRUE |
