UNIT 4: Ch. 31 Sleep and rest Flashcards
Explain the 4 sleep cylces
NREM (non-REM)
1- falling asleep / lightest sleep
2- heart rate slows, body temp drops
3- deep sleep, muscles and tissues repair
REM.
4- REM sleep , body is paralyzed, dreams occur
What does R.E.M stand for, and what is it
Rapid Eye movement
- the deepest sleep in the 4 cycles
What are the 2 categories of sleep
NREM- non-rem
REM- rem (rapid eye movement during the deepest sleep)
Define sleep
Sleep is a naturally occurring altered state of consciousness
What regulates sleep in the body
the Hypothalamus located in the brain (in the CNS)
What does sleep do for the body
Helps the body relax, recover and repair tissues and muscles. (+ sickness)
Define sleep apnea
-what is the most common form of sleep apnea
absence of breathing during sleep.
OSA- Obstructive sleep apnea
the blockage of the throat or airways during sleep.
Risk factors for OSA (obstructive sleep apnea)
- obesity (large neck circumference)
- smoking
- alcohol use
- family history
- Nasal polyps (growths inside the nose or sinuses that don’t cause pain)
What are some complications for someone with sleep apnea
- cardiac arrhythmias
- pulmonary hypertension
- left-sided HF
Define insomnia
- is this common or rare?
Difficulty falling or staying asleep.
(the most common sleep disorder)
Define Narcolepsy
chronic neurological disorder resulting in uncontrollable desire to sleep.
Define Hypersomnia
excessive daytime sleeping
-These pts usually are not getting quality sleep at night
-Often a sign of depression
What does SIDS stand for
Sudden Infant Death syndrome
Define sleep deprivation
a prolonged, inadequate quality/ quantity of sleep
Define Restless leg syndrome
disagreeable leg movements resulting from intense lower extremity sensations of crawling feeling or tingling in toes
Define parasomnia
abnormal sleep behaviors rather than a specific disorder of sleep.
-sleep walking