Sleep stages
Dreams
Drugs
Other altered states
100

Number of non-REM Sleep Stages

4

100

Dreaming occurs mostly in this stage of sleep

REM 

100
Drug classification of alcohol

Depressant

100

Altered state of conciousness achieved through focusing attention to clear one's mind

Meditation

200

Average length of a full sleep cycle (+/- 20 min is OK)

90 minutes

200

Theory that says dreams express our repressed or hidden desires

Unconcious wish fulfillment theory

200

Drug classification of marijuana

Hallucinogen

200

Altered state of consciousness that involves a state of heightened suggestibility 

Hypnosis

300

Deepest stage of sleep

Stage 4

300

Theory that says dreams are random electrical pulses stimulating memory centers in the brain

Activation Synthesis Theory
300

Drug classification that impedes the nervous system and causes neurons to fire more slowly

Depressant

300

Altered state of consciousness achieved by becoming aware of our physical reactions to stimuli (like pulse)

Biofeedback

400

Device used to monitor brain waves during sleep

EEG

400

Theory that states dreams are essentially "mental housecleaning"

Reverse Learning Theory
400

Drug classification that causes a rise in blood pressure, heart rate and tension

Stimulant

400

Any condition hypnotherapy is effective to treat

Addiction, anxiety, and/or pain management

500

Stage of sleep where major skeletal muscles are paralyzed

REM sleep

500

Scary dreams that occurs outside REM sleep

Night Terrors

500

General category of drugs (not a specific classification) that influences a persons moods, thought, or behavior

psychoactive drugs

500

Percentage of the population that is highly susceptible to hypnosis (+/- 5% is OK)

15%

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