SLEEP ZZzzz

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SLEEP ZZzzz

• Helen Huang
• Dina Diskina
• Anna Paie

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What causes sleep?

• Melatonin
• Released from the pineal gland
• Stimulated by darkness and
• Inhibited by light
• Level rises and falls on a daily circadian rhythm
  cycle

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Why Sleep?

• Increases energy and productivity
• Maintains optimal emotional and social
  functioning
• Combats the affects of stress and UV rays
• Strengthens the immune system
• Aids in weight control

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REM

• 1. Establishes functional structures in
  developing brain
• 2. Consolidates learning
• 3. Maintains mood and emotion
• 4. Restore brain after nREM sleep
• 5. Dreaming

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nREM

• 1. Conservation of energy
• 2. Restoration of body
• 3. Growth of cells