What happen when we sleep and dream

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What happen when we sleep and dream?

• Presented by
• chaw su lwin

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Two basic kinds of sleep

• REM sleep
• Non-REM (N-REM) sleep
• The stages of N-REM sleep and REM sleep
  alternate throughout the night, roughly in
  90-minute cycles.

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REM sleep( rapid eye movement sleep)

• The eyes move rapidly
• The sleeper usually is dreaming

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Non-REM (N-REM) sleep (non-rapid eye movement
sleep)

• N-REM sleep usually is divided into four stages
  of successively deeper sleep
• It seldom involve dreaming

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Dreams

• All of us have dreams every night, whether or
  not we remember them (Ornstein, 1986).

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Theories of dreaming

• Several different theories of dreaming have
  been proposed.
• Sigmund Freud theory
• Mccarley Hobson theory
• Crick Mitchison theory

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Sigmund Freud theory

• Dreams express the hidden wishes of the
  unconscious.

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McCarley Hobsons activation-synthesis theory

• Dreams represent our own interpretations of our
  brain activity during sleep.

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Crick Mitchison theory

• Dreams are the brains way of clearing itself
  during the night, essentially, for disposing of
  mental garbage.

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The content of college student dreams

• Failing(83)
• Being attacked or pursued(77)
• Trying repeatedly to do something(71)
• School, teachers, and studying(71)
• Sexual experiences(66)
• Arriving too late(64)

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The content of college student dreams

• Eating(62)
• Being frozen with fright(58)
• The death of a loved one(57)
• Being locked up(56)
• Finding money(56)
• Swimming(52)