Sleeping and dreaming

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Sleeping and dreaming

  1. 1. Sleeping and Dreaming<br />Chapter 2<br />
  2. 2. 1. Sleep protects- historically it is safer if we sleep at night<br />2. Sleep helps us recover- helps us restore and repair brain tissue<br />3. Sleep helps us remember- restores and builds new memories<br />4. sleeps plays a role in the growth process- pituitary gland releases growth hormones while you are sleeping<br />Why do we sleep? <br />
  3. 3. Suppress immune cells that fight infection <br />Chronic sleep debt alters metabolism and hormonal functions (obesity, high blood pressure, and memory impairments)<br />Irritable, slows performance, concentration, and communication<br />Effects of sleep loss<br />
  4. 4. 1. insomnia- have persistent problems falling asleep or staying asleep<br />2. narcolepsy- sudden attacks of overwhelming sleepiness, usually lasts about 5 min.<br />Sleep Disorders<br />
  5. 5. 3. sleep apnea- people stop breathing during sleep usually linked with obesity in men<br />4. night terrors and sleep walking- occurs during stage 4, most often only occur in children because they spend more time in stage 4. <br />Sleep Disorders<br />
  6. 6. Freud’s wish fulfillment theory<br />Latent content- the unconscious drives and wishes that would be threatening if expressed directly.<br />He believed that most dreams are related to erotic wishes (a gun might symbolize the penis)<br />Why we dream <br />

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