SOC 2151 Lecture Notes - Lecture 2: Gamepro, Multiple Sleep Latency Test, Sleep Deprivation

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10 Aug 2016
Stanford Sleepiness Scale
Choose one of the following to describe your current state:
1. Feeling active and vital, alert, wide awake
2. Functioning at a high level, but not at peak, able to concentrate
3. Awake, but relaxed; responsive but not fully alert
4. A little foggy, not at peak, let down
5. Fogginess, beginning to lose interest in remaining awake, slowed down
6. Sleepiness, prefer to be lying down, fighting sleep, woozy
7. Almost in reverie, sleep onset soon, lost struggle to remain awake
The Multiple Sleep Latency Test (MSLT)
• Commonly used to diagnose narcolepsy (will show REM during MSLT naps)
Patient first has a night study to make sure the MSLT is valid
5 nap opportunities every 2 hours during the day
20 minutes. Over 10 is fine. Less than 5 is pathologically sleepy.
Maintenance of Wakefulness Test
Same process but you try to stay awake while semi reclined.
Not allowed to move or make noise (that’s cheating!)
• SWS: Core sleep (keeps you alive – you need this to live. Your body restores)
• REM: Optional sleep (keeps you sane – don’t need it to survive but you need it to be sane.
REM uses your energy rather than produces it). Essential portion: first 5 hours.
Following complete sleep deprivation... What happens?
• On the first night, regain 30% of sleep loss
Thus 100% of SWS loss
• And 50% of REM loss
• On the second night
Rest of REM loss
Sleep Deprivation
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