Awareness of internal and external stimuli
Consciousness
24-hour biological cycles in humans
Circadian Rhythms
Chronic problems in getting adequate sleep
Insomnia
Systematic procedure which produces a heightened state of suggestibility
Hypnosis
Increases sensory awareness, but may cause anxiety or panic due to altered perceptions
Hallucinogens
Device that monitors electrical activity of the brain
Electroencephalograph (EEG)
Deep stage of sleep marked by rapid eye movements, high-frequency brain waves, and dreaming
REM sleep
Disease marked by sudden or irresistible onsets of sleep during normal waking periods
Narcolepsy
When a person must continue to take a drug to avoid withdrawal illness
Physical Dependence
Causes relaxation with impaired coordination and mental functioning due to lethargy and drowsiness
Sedatives
Normal waking thought pattern of an EEG
Beta Waves
Number of sleep stages prior to REM sleep where little dreaming occurs
Three
Frequent, reflexive gasping for air which disrupts sleep
Sleep apnea
Practice to train attention to heightened awareness and greater voluntary control of mental processes
Meditation
Narcotics or Opiates
Deep relaxation pattern on an EEG
Alpha Waves
This is the life stage which requires the most sleep.
Infant
When a person rises and wanders while remaining asleep
Somnambulism
Chemical substances which alter mental, emotional, or behavioral functioning
Psychoactive Drugs
This alters perceptions while causing relaxation and mild euphoria. Can be addictive despite common belief it is harmless.
Cannabis
Height of brain waves recorded on an EEG
Amplitude
When people get substantially less sleep than normal over a period of time
Sleep deprivation
Troublesome dream reenactments during REM sleep
REM sleep behavior disorder
Progressive decrease in a person's responsiveness to a drug as a result of continued use
Tolerance