Sleep Disorders
Elton Ong, MD
Normal Sleep
• Sleep Architecture
• Non-Rem Sleep- quiet sleep
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Normal/low vital signs
Movements of extremities and body; muscles relaxed
Dreaming not remembered
Physical rest
• Rem sleep-active/dreaming sleep
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Sympathetic nervous system activated
Paralysed body except for REM
Dreaming
Memory and learning
Normal Sleep
Normal Sleep
Sleep Study/Polysomnography