A bad dream during REM sleep
what is a nightmare
Slowed breathing, irregular, larger brain waves known as theta waves, hallucinations, and feelings of falling.
What is sleep stage 1
drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow body functions
What is a depressant
A sleep disorder characterized by high arousal and an appearance of being terrified, linked to stage 4 sleep
What is night nerrors
A sequence of images, feelings, thoughts, passing through a sleeping person's mind - helpful for developing and preserving neural pathways in the brain.
What is a dream
successively deeper stages of sleep that are characterized by an increasing percentage of irregular, high-amplitude Delta Waves
What is sleep stages 2-4
Drugs (such as caffeine, nicotine, and the more powerful amphetamines, cocaine, and Ecstasy) that excite neural activity and speed up body functions.
What is a stimulant
A sleep disorder characterized by uncontrollable sleep attacks
What is narcolepsy
a social interaction in which one person suggests to another that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur
What is hypnosis
protection, recuperation (brain can repair itself), memory (restore and rebuild our daily memories), creativity, growth
What is theories of sleep
psychedelic ("mind-manifesting") drugs, such as LSD, that distort perceptions and evoke sensory images in the absence of sensory input
What are hallucinogens
A sleep disorder characterized by uncontrollable sleep attacks
What is narcolepsy
a recurring sleep stage during which vivid dreams commonly occur. Also known as paradoxical sleep, because the muscles are relaxed (except for minor twitches) but other body systems are active. - most similar to stage 1 sleep - higher in infants than adults
What is REM sleep
drugs that depress central nervous system activity, reducing anxiety but impairing memory and judgement
What are barbituates
A sleep disorder characterized by cessation of breathing and consequent momentary re awakenings
What is sleep apnea
a system for electronically recording, amplifying, and feeding back information regarding a subtle physiological state, such as blood pressure or muscle tension
What is biofeedback
the large, slow brain waves associated with deep sleep
What is delta waves
according to Freud, the remembered story line of a dream
What is manifest content