Sleep and Dreams Flashcards
Consciousness
Awareness of everything around them.
Altered State of Consciousness
Shift in quality of mental activity compared to waking consciousness.
Mindfulness Mediation
Mental training involving focusing on your own emotions, thoughts, and sensations.
Sleep
One of the body’s biological cycles essential for function.
Circadian Rhythm
Cycle of physiological and biological processes of being asleep and being awake.
Wake Sleep Cycle
Biological rhythm of sleep.
Beta Waves
Awake and alert, between 15 and 30 Hz.
Alpha Waves
Light sleep, between 7 and 12 Hz.
Theta Waves
Early sleep, between 4 and 7 Hz
Delta Waves
Deepest sleep, up to 4 Hz
Non-REM Stage 1
Transition period between consciousness and sleep.
Non-REM Stage 2
Temperature will drop, heart rate will slow, breathing more shallow.
REM Paralysis
Presence of REM during the transition in or out of sleep.
Sleep Deprivation
Getting less sleep than your body needs. Acute sleep loss to chronic deprivation.
Microsleep
Fleeting, uncontrollable brief episodes of sleep.
Circadian Rhythm Disruption
Out of sync sleep/wake cycle.
Sleep Apnea
To stop breathing during sleep.
Narcolepsy
Falling immediately into REM sleep during the day without warning.
Sleepwalking
Purposeful movement of walking during sleep.
Nightmares
Bad dreams occurring during REM sleep.
REM Rebound
Lengthening/increasing frequency of REM sleep after periods of sleep deprivation.
Dreams
Images, thoughts, and emotions experienced during sleep.
Night Terrors
Extreme fear and screams during deep sleep without waking fully.
