Altered States of Consciousness Sleep and Dreams
Objectives <ul><li>Describe the theories associated with why we sleep </li></ul><ul><li>List and describe sleep disorders ...
Theories  <ul><li>Restorative </li></ul><ul><ul><li>Allows a person to “charge their batteries” </li></ul></ul><ul><ul><li...
Stages of Sleep <ul><li>Stage I </li></ul><ul><ul><li>Lightest sleep Alpha + Theta waves </li></ul></ul><ul><li>Stage II <...
Circadian Rhythm <ul><li>Biological clock that is roughly 24 hours </li></ul><ul><li>Regulates physiological responses </l...
 
Sleep Disorders <ul><li>Insomnia </li></ul><ul><li>Sleep Apnea </li></ul><ul><li>Narcolepsy </li></ul><ul><li>Night Terror...
Insomnia <ul><li>Not sleeping </li></ul>
Sleep Apnea <ul><li>Breathing stops or has trouble breathing during sleep </li></ul><ul><li>Snoring </li></ul><ul><li>Chok...
Causes and Symptoms <ul><li>Causes </li></ul><ul><ul><li>Enlarged Tonsils </li></ul></ul><ul><ul><li>Throat/Middle ear inf...
 
 
Narcolepsy <ul><li>Suddenly falling asleep </li></ul><ul><li>Feeling very sleepy during the day </li></ul><ul><li>Symptoms...
Narcolepsy <ul><li>Causes </li></ul><ul><ul><li>Autoimmune disease </li></ul></ul><ul><ul><li>Immune system kills hypocret...
Night Terrors <ul><li>Unpleasant dreams </li></ul><ul><li>Screaming, panic, confusion </li></ul><ul><li>Usually in childre...
Sleep Walking/Talking <ul><li>Symptoms </li></ul><ul><li>Walking / Talking during sleep </li></ul><ul><li>In most cases it...
What Have You Learned? <ul><li>What is the difference between REM and NREM sleep? </li></ul><ul><li>What are the four theo...
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Altered states of consciousness

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Altered states of consciousness

  1. 1. Altered States of Consciousness Sleep and Dreams
  2. 2. Objectives <ul><li>Describe the theories associated with why we sleep </li></ul><ul><li>List and describe sleep disorders </li></ul><ul><li>Describe and explain the characteristics of the different sleep cycles </li></ul>
  3. 3. Theories <ul><li>Restorative </li></ul><ul><ul><li>Allows a person to “charge their batteries” </li></ul></ul><ul><ul><li>Brain recovers from exhaustion and stress </li></ul></ul><ul><li>Primitive Hibernation </li></ul><ul><ul><li>Sleep to conserve energy </li></ul></ul><ul><li>Adaptive Process </li></ul><ul><ul><li>Night vulnerable time – keep safe </li></ul></ul><ul><li>Clear mind of useless information </li></ul><ul><ul><li>Dreaming </li></ul></ul>
  4. 4. Stages of Sleep <ul><li>Stage I </li></ul><ul><ul><li>Lightest sleep Alpha + Theta waves </li></ul></ul><ul><li>Stage II </li></ul><ul><ul><li>Brain waves shift - Theta waves </li></ul></ul><ul><li>Stage III </li></ul><ul><ul><li>Deep sleep – Delta waves + Theta waves </li></ul></ul><ul><li>Stage IV </li></ul><ul><ul><li>Deepest of sleep – Large Delta waves sweep brain every second - +50% </li></ul></ul><ul><li>REM SLEEP </li></ul><ul><ul><li>Brain waves similar to awake person – Beta Waves </li></ul></ul>
  5. 5. Circadian Rhythm <ul><li>Biological clock that is roughly 24 hours </li></ul><ul><li>Regulates physiological responses </li></ul><ul><li>Even w/o cues people respond to this </li></ul>
  6. 7. Sleep Disorders <ul><li>Insomnia </li></ul><ul><li>Sleep Apnea </li></ul><ul><li>Narcolepsy </li></ul><ul><li>Night Terrors </li></ul><ul><li>Sleep Walking/Talking </li></ul>
  7. 8. Insomnia <ul><li>Not sleeping </li></ul>
  8. 9. Sleep Apnea <ul><li>Breathing stops or has trouble breathing during sleep </li></ul><ul><li>Snoring </li></ul><ul><li>Choking </li></ul><ul><li>Affects 1/100 Americans </li></ul>
  9. 10. Causes and Symptoms <ul><li>Causes </li></ul><ul><ul><li>Enlarged Tonsils </li></ul></ul><ul><ul><li>Throat/Middle ear infections </li></ul></ul><ul><ul><li>Obesity </li></ul></ul><ul><li>Symptoms </li></ul><ul><ul><li>Trouble breathing </li></ul></ul><ul><ul><li>Choking </li></ul></ul><ul><ul><li>Snoring that ends abruptly </li></ul></ul>
  10. 13. Narcolepsy <ul><li>Suddenly falling asleep </li></ul><ul><li>Feeling very sleepy during the day </li></ul><ul><li>Symptoms </li></ul><ul><ul><li>Unusual sleep and dream patterns </li></ul></ul><ul><ul><li>Sleep attacks are brief REM episodes </li></ul></ul><ul><ul><li>Prone to accidents </li></ul></ul><ul><ul><li>Relationships/work </li></ul></ul>
  11. 14. Narcolepsy <ul><li>Causes </li></ul><ul><ul><li>Autoimmune disease </li></ul></ul><ul><ul><li>Immune system kills hypocretin making cells </li></ul></ul><ul><ul><li>HLA gene variant </li></ul></ul><ul><ul><ul><li>Keep immune system in check </li></ul></ul></ul>
  12. 15. Night Terrors <ul><li>Unpleasant dreams </li></ul><ul><li>Screaming, panic, confusion </li></ul><ul><li>Usually in children </li></ul><ul><li>Cause </li></ul><ul><li>Intense stimulation of the part of the brain that deals with emotional reactions </li></ul><ul><ul><li>What part is that? </li></ul></ul>
  13. 16. Sleep Walking/Talking <ul><li>Symptoms </li></ul><ul><li>Walking / Talking during sleep </li></ul><ul><li>In most cases it is harmless </li></ul><ul><li>Causes </li></ul><ul><li>Stress, fatigue </li></ul><ul><li>Sedative medicines </li></ul><ul><li>Heredity </li></ul>
  14. 17. What Have You Learned? <ul><li>What is the difference between REM and NREM sleep? </li></ul><ul><li>What are the four theories as to why we sleep? </li></ul><ul><li>Why would you consider sleep an altered state of consciousness? </li></ul>
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