A disorder in which a person has breathing problems while sleeping at night.
Apnea
Which is the lightest stage of sleep?
NREM 1
A sleep disorder that causes sudden attacks of sleep.
narcolepsy
The classification of drugs that slow the activity of the nervous system?
depressants
ASC during which people respond to suggestions and act like they are in a trance?
hypnosis
The Circadian Rhythms that regulate bodily rhythms on a 24-hour cycle is also called this.
biological clock
During which stage of sleep do people have their most vivid dreams?
REM
The ASC that involves the practice of turning your attention to a single point of reference.
meditation
The classification of drugs that increase the activity of the nervous system.
stimulants
What is the most used psychoactive drug?
Caffeine
Being aware of things in the environment is what kind of awareness?
sensory awareness
The stage of sleep in which sleep spindles occur.
NREM 2
The ability to actively participate in your dreams is called...
lucid dreaming
A compulsive craving for a chemical substance is known as....
addiction
What is the second most used psychoactive drug?
alcohol
Focusing on a particular stimulus and screening out distractions.
selective attention
The average sleep cycle lasts this long.
90 minutes
Sleep disorder in which people have trouble falling asleep or staying asleep.
Insomnia
The discomfort and distress that follow when a person who is dependent on a drug discontinues the use of the drug is called...
withdrawal
The drug classification in which the drugs are known as pain killers?
narcotics
The level of consciousness at which information can be recalled if necessary.
Preconscious
What are twitches called that occur in stage one of sleep?
hypnic jerks
A system that provides data about something happening in the body is called...
biofeedback
According to the DEA, the most dangerous street drug right now is...
Methamphetamine or Meth
The slowest of brain waves produced in sleep stages 3 and 4 of sleep is called...
delta waves