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Do Now

Do Now. Create a K-W-L chart K: What do you ALREADY KNOW about the stages of sleep and sleep disorders W: What do you WANT to learn about the stages of sleep and sleep disorders L: Leave this column blank . Do Now . Get out your homework. I will be coming around to check it. .

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Do Now

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  1. Do Now • Create a K-W-L chart • K: What do you ALREADY KNOW about the stages of sleep and sleep disorders • W: What do you WANT to learn about the stages of sleep and sleep disorders • L: Leave this column blank

  2. Do Now • Get out your homework. I will be coming around to check it.

  3. States of Consciousness Stages of Sleep & Sleep Disorders

  4. Biological Rhythms & Sleep • Circadian rhythm: internal bio clock; regular bodily rhythms (temp, wakefulness) that occur on a 24 hour cycle • Age & experience can alter it • “owls” to morning-loving “larks”

  5. Sleep Stages-every 90 min., cycle through 5 stages -EEG measures sleep act.

  6. Stage 4 REM • Deepest sleep • Delta waves • Sleep walking • Growing (in kids) • Sleep talking • Wetting the bed • Night terrors • Rapid eye movement • Dreams • Muscles relaxed • Essentially paralyzed • Genital arousal (despite whether or not dreams are of sexual content) • Erection • Vaginal lubrication • Paradoxical sleep: body internally aroused; externally calm 1 – 2 – 3 – 4- 3- 2- REM

  7. Why Do We Sleep?

  8. Theories About Sleep’s Function • Sleep protects. • Sleep helps us recover. • Sleep helps us remember and think creatively. • Sleep may play a role in the growth process.

  9. How does sleep loss affect us, and what are the major sleep disorders?

  10. Effects of Sleep Deprivation http://www.cnn.com/video/#/video/health/2005/03/29/gupta.sleepless.in.america.affl?iref=videosearch What else?

  11. Sleep Disorders1. Insomnia: A persistent inability to fallasleep.2. Narcolepsy: Overpowering urge to fallasleep that may occur while talking orstanding up.3. Sleep apnea: Failure to breathe whenasleep.

  12. Children are most prone to: • Night terrors: The sudden arousal from sleep with intense fear accompanied by physiological reactions (e.g., rapid heart rate, perspiration) which occur during Stage 4 sleep. • Sleepwalking: A Stage 4 disorder which is • usually harmless and unrecalled the next day. • Sleeptalking: A condition that runs in families, • like sleepwalking.

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