sleep disorder in which a person falls immediately into REM sleep during the day without warning
Narcolepsy
a natural drug derived from the leaves of the coca plant
cocaine
drugs that produce hallucinations or increased feelings of relaxation and intoxication
Hallucinogens
a cycle of bodily rhythms that occurs over a 24 hour period
Circadian Rhythms
the inability of the voluntary muscles to move during REM sleep
REM Paralysis
disorder which the person stops breathing for nearly half a minute or more
Sleep Apnea
a mild stimulant found in coffee, tea, and several other plant based substances
caffeine
drugs that decrease functioning of the nervous system
Depressants
stage of sleep in which the eyes move rapidly under the eyelids and the person is typically experiencing a dream
REM Sleep
physical symptoms resulting from a lack of an addictive drug in the body systems
Withdrawl
relatively rare disorder in which the person experiences extreme fear and screams or runs around during deep sleep without waking up
Night Terrors
substance derived from the opium poppy from which all narcotic drugs are derived
opium
a class of opium-related drugs that suppress the sensation of pain by binding to and stimulating the nervous system's natural receptor sites for endorphins
Narcotics
brain waves that indicate a state of relaxation or light sleep
Alpha Waves
the active ingredient in marijuana that gives you the high
THC
any significant loss of sleep, resulting in problems in concentration and irritability
Sleep Deprivation
narcotic drug derived from opium, used to treat severe pain
morphine
stimulants that are synthesized in laboratories rather than being found in nature
Amphetamines
long and slow waves that indicate the deepest stage of sleep
Delta Waves
a series of thoughts, images, and sensations occurring in a person's mind during sleep
Dreams
the inability to get to sleep, stay asleep, or get quality of sleep
insomnia
narcotic drug derived from opium that is extremely addictive
heroin
drugs that increase the functioning of the nervous system
Stimulants
a rare disorder in which the mechanism that blocks that movement pf the voluntary muscles fails, allowing the person to thrash around and even get up and act out nightmares
REM Behavior Disorder
theory of sleep proposing that animals and humans adapted sleep patterns to avoid predators who are more active at night
Adaptive Theory