Sleep Stages
This stage of sleep features rapid eye movements and is when most dreaming occurs.
What is REM sleep?
This sleep disorder involves difficulty falling or staying asleep.
What is insomnia?
The awareness of internal and external stimuli such as feelings of hunger or detection of light.
What is consciousness?
This stimulant, found in coffee, increases alertness and reduces fatigue.
What is caffeine?
According to Freud, dreams reveal unconscious desires and this is symbolic content.
What is latent content?
The lightest stage of sleep, where hypnic jerks may be experienced.
What is NREM Stage 1?
These vivid, disturbing dreams occur during REM sleep and are often remembered upon waking.
What are nightmares?
This is an extreme focus on the self that involves suggested changes in behavior and experience.
What is hypnosis?
The most commonly used depressant that is often consumed socially.
What is alcohol?
This term refers to the actual content of the dream.
What is manifest content?
Delta waves dominate in this stage of sleep, which is the deepest and most restorative.
What is NREM Stage 3?
A person with this condition temporarily stops breathing during sleep, usually 10-20 seconds
What is sleep apnea?
This is the fact of focusing on a single target to increase awareness of the moment.
What is meditation?
This class of drugs, including amphetamines, increases neural activity and energy levels.
What are stimulants?
According to Jung, this shared level of the unconscious mind contained universally reflected archetypes.
What is the collective unconscious?
These brain waves are present during relaxed wakefulness and are slower than beta waves.
What are alpha waves?
States of heightened arousal or stress trigger an irresistible urge to fall asleep during waking hours.
What is narcolepsy?
This term refers to the biological rhythms, such as the sleep-wake cycle, that occur on a roughly 24-hour schedule.
What are circadian rhythms?
These drugs, such as heroin, mimic the body's natural painkillers but are highly addictive.
What are opioids?
A term referring to a person that becomes aware that they are dreaming.
What are lucid dreams?
This cycle of NREM and REM sleep typically repeats every 90 minutes.
What is the sleep cycle?
Unwanted motor behavior/experiences throughout the sleep cycle?
What is Parasomnia?
This is the brain's clock mechanism. located in the brain's hypothalamus.
What is the suprachiasmatic nucleus (SCN)?
This hallucinogen is derived from a fungus and is known for its intense sensory effects.
What is LSD?
This theory suggests an adaptive response to predatory risks, which increase in darkness.
What is the evolutionary theory of sleep?