Chapter 4a Sleep (Psychology. Woops) Flashcards
Consciousness
Your awareness of yourself and your surroundings. That definition may make the concept seem simple, but many different experts offer many different definitions of consciousness
Circadian rhythm
the 24-hour cycle on which your brain and body function.
Co-sleeping
Sleeping in the same room or same bed with another person (usually a caregiver).
Insomnia
A sleep disorder featuring consistent difficulty falling asleep, staying asleep, or achieving high-quality sleep.
Narcolepsy
A disorder of “sleep attacks” characterized by immediate and unexpected shifts from wakefulness to REM sleep.
Non-REM sleep
Any sleep other than REM sleep, when rapid eye movement, intense brain activity, and dreams are unlikely to occur.
REM
Rapid eye movement, or the flitting of the eyeballs behind the eyelids during sleep.
REM paralysis
Temporary immobility during REM sleep.
REM rebound
An increase in REM sleep after a period of REM sleep deprivation.
REM sleep
The stage of sleep in which intense brain activity and vivid dreams are most likely to occur.
Sleep apnea
A sleep disorder caused by interruptions of breathing that cause repeated waking.
Sleep deprivation
The failure to get enough sleep, regardless of the reason.
Sleep hygiene
Routine behaviors that promote healthy sleep.
Sleep terrors
Brief, sudden awakenings in which the person feels frightened and confused.
Sleepwalking
Walking while asleep, or somnambulism.