Term
| Do environmental factors cause sleepiness? |
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Definition
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Term
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Definition
| Yes--getting less that 8 hours of sleep starts to create a "sleep debt" which must be payed off. But it seems like for every hour you miss, you don't need to "regain" another total hour. |
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Term
| What is the pressure for sleep a fuction of? |
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Definition
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Term
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Definition
| feeling groggy, fatigued, or hung over from sleep. this will last only 15-30 minutes after awakening. |
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Term
| What do you need to get a "good night" of sleep? |
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Definition
1. adequate quantity (7-9 hours)
2. Normal sleep architecture |
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Term
| What is sleep architecture? |
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Definition
| sleep quality/patter--and avoid disruptions of the cyclical 5 stages of sleep |
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Term
| How does alcohol disrupt sleep architecture? |
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Definition
| Alcohol shortens sleep onset, but is associated with increased arousals later in the night which disrupts the normal cyclical pattern. Thus, you may be drunk asleep for an acceptable QUANTITY, but the sleep QUALITY is subpar |
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Term
| Disrutions of sleep architecture is associated with BLANK? |
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Definition
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Term
| what are the causes of chronic insufficient sleep? |
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Definition
1. being awake >16 hours
2. active at adverse circadian phase
3. chronic sleep depri <7h
4. poor sleep hygeine
5. sleep disorders/medical/psychiatric conditions that disrupt sleep quality/quantity |
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Term
| What hypometabolicy regious is sleep deprivation neuologically associated with? |
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Definition
| THAL, prefrontal cortext, inferior parietal cortex, occipital lobe (to a lesser extent) |
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Term
| What are the physiological effects of decreased sleep duration? |
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Definition
sleep latency shortens
2. EEG SWA increases during sleep
3. icreased slow eyelid closures and slow eye movements during wake
4. elevated cortisol levels
4. Leukosytosis/monocytosis (elevated cytokines and c-reactive protein)
6. insulin resistance (awake munchies) |
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Term
| Do cortisol levels decrease with decreased sleep duration? |
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Definition
| No they increase (HPA activation) |
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Term
| What are the neurobiolgical effects of SD? |
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Definition
Microsleeps intrude wakefulness (state instability)
2. Behavioral lapsing
3. False responses
4. time on taks decrements |
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Term
| what are false responses? |
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Definition
| When you are doing that beep test, and you realize that bc you are so tired, you probably aren't catching all the beeps, so you press the clicker a lot--even when no beebs in order to make up for it. |
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Term
| Does working memory decline with sleep deprivation? |
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Definition
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Term
| Which is more problematic, chronic sleep deprivation or acute sleep deprivation? |
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Definition
| trick question. they can be equally as problematic. |
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Term
| when do most drowsy driving crashes occur? |
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Definition
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