AP Psychology: Unit 1.5- Sleep
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Based on AP Course Guide
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21 Terms
Stages of the Sleep Cycle
NREM 1, NREM2, NREM3, REM
Awake
Beta Waves
NREM 1
Alpha Waves, very light sleep and easy to awake
NREM 2
Theta Waves, slower theta waves, longer sleep
NREM 3
Delta Waves, deepest stage of sleep, gets shorter throughout the night, sleepwalking and talking, night terrors
REM
Beta Waves, high internal activity, rapid eye movement, dreaming, increased heart rate and blood pressure, muscles are paralyzed, gets longer throughout the night
Restoration Theory of Sleep
Our bodies wear out during the day, sleep is for replenishing energy and resources
Memory Consolidation Theory of Sleep
Sleep helps us rebuild our memories from the day, memory consolidation occurs during REM
Energy Conservation Theory of Sleep
Based on the evolutionary approach, sleep protects us as it was a way to preserve energy during parts of the day where we may be exposed to danger, helps animals adapt to their environments
Psychological Dream Theories
Dreams are the road to the unconscious mind that we cannot face in life
Activation Synthesis Model
As REM cycles activate we make sense out of random activations and weave them together as a storyline.
Insomnia
The inability to fall asleep, stay asleep, or both
Causes of Insomnia
Stress, irregular sleep schedule, pain/illness, diet/medication
Treatments for Insomnia
Stress management, medications/melatonin, treatment of pain/illness, changing habits
Sleep Apnea
Cessation of breath while sleeping, breathing stops repeatedly throughout the night, snoring, gasping, never feeling rested and restored
Types of Sleep Apnea
Obstructive, Central, Complex
Causes of Sleep Apnea
Weight, Smoking, Gender, Age, Thick Neck, Narrow Airway, Nasal Obstruction
Treatment
Lose weight, surgery, CPAP machine
Narcolepsy
Fall into uncontrollable sleep attacks throughout the day, drowsiness, muscle paralysis, triggered by strong emotions, REM Sleep
Cause of Narcolepsy
Genetics
Treatments for Narcolepsy
Medication and Support
