a state of awareness, including a person's feelings, sensations, ideas, and perceptions
a stage of sleep characterized by rapid eye movements, a high level of brain activity, a deep relaxation of the muscles, and dreaming
the rhythm of activity and inactivity lasting approximately one day
the failure to get enough sleep at night in order to feel rested the next day
a sleep disorder in which a person has trouble breathing while asleep
a condition characterized by suddenly falling asleep or feeling very sleepy during the day
sleep disruptions that occur during State IV of sleep, involving screaming, panic, or confusion
a state of consciousness resulting from a narrowed focus of attention and characterized by heightened suggestibility
a suggestion made during hypnosis that influences the participant's behavior afterward
the process of learning to control bodily states with the help of machines monitoring the states to be controlled
the focusing of attention to clear one's mind and produce relaxation
perceptions that have no direct external cause
drugs that often produce hallucinations
a potent psychedelic drug that produces distortions of perception and thought
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