Sleep Flashcards
What is sleep?
An altered state of consciousness, reflected by a lower level of consciousness and a a reduced metabolism.
What are sleep laboratories used for?
Used to study the characteristics of sleep. To access, diagnose and treat people who experience issues with their sleeping patterns.
It is usually located in a hospital designed to look like a bedroom.
What is REM sleep ?
Rapid eye movement
What are REM characteristics?
The sympathetic nervous system is activated, BUT people experience muscle atonia paralysis which is also called patadoxial sleep
What are the eye movements like in REM sleep?
Rapid and jerky
What are the brainwaves like in REM sleep
Beta-like waves
Physiological arousal?
It increases blood rate, heart rate and blood
Muscle activity in REM?
Atomic - muscles are in a state of paralysis
Dreams in REM?
It is very common
Duration of REM?
Increases as the night progresses
Type of replenishment of REM
Replenishes the mind
What are the NREM sleep characteristics ?
This is where homeostasis occurs.
Autonomic arousal is decreased (blood pressure, temperature )
Duration decreased as the night progresses
What is NREM sleep?
Non rapid eye movement
What is the eye movement for NREM?
Non rapid. Also electricity levels are lowered
What are the brainwaves which occur during NREM?
Alpha, theta, Delta
