sleep disorder characterized by feeling sleepy despite getting normal sleep. 2 conditions are narcolepsy & sleep apnea/hypopnea.
Parasomnias
conditions associated w/ activities that cause arousal or partial arousal, usually during transitions in NREM periods of sleep.
Sleep phases
Nonrapid eye movement (NREM), rapid eye movement (REM)
Light
triggers suppression of melatonin secretion.
Sleep diary
a daily account of sleeping & waking activities.
Shift workers
more prone to errors & accidents from sleepiness. Most people who work nite shifts never completely adapt to the reversal of day & nite activities no matter how long the pattern is.
Relative humidity
ratio between the amount of moisture in the air & the greatest amount of water vapor the air can hold at a given temperature. (30% to 60% comfortable for most pts)
Mattress overlays
layers of foam or other devices placed on top of the mattress, used to promote comfort or to keep the skin intact.