Deep sleep
What are delta waves?
Even though the eyes are closed, they can be seen moving quickly.
What is REM?
High levels of sensory awareness, thought, and behavior.
Wakefulness
Inability to fall asleep or remain asleep.
What is insomnia?
Psychologist famous for book The Interpretation of Dreams; believes dreams represent our unconscious desires.
Who is Sigmund Freud?
Wide awake
Sometimes considered restorative sleep stage.
What is Stage 3/4?
Biological rhythms that occurring once every 24 hours.
What are circadian rhythms?
Terrifying dream during NREM.
What is a night terror?
Dream theory stating dreams are by products of random neural firing in the pons.
What is the Activation Synthesis theory/hypothesis?
Crossing the threshold between awake and asleep
What are alpha waves?
Stage between awake and asleep
What is Stage 1?
Endocrine structure located inside the brain that releases melatonin.
Pineal Gland
Interrupted breathing during sleep, often times resulting in snoring and sometimes treated with a CPAP machine.
What is sleep apnea?
A state of heightened suggestibility, deep relaxation, and highly focused attention.
What is hypnosis?
REM sleep
What are beta waves?
We spend roughly half our time in this stage.
What is Stage 2?
Hormone that acts upon the hypothalamus to control the sleep/wake cycle and body responses to the annual seasons cycle.
What is melatonin?
Falling instantly into REM sleep from a fully awake state.
What is narcolepsy?
Chemicals that affect mental processes and behavior by their affect on the brain.
What are psychoactive drugs?
Distinguishing characteristic of Stage 2 sleep
Primary dreaming stage
What is REM?
The brain’s clock mechanism is located in an area of the hypothalamus
Suprachiasmatic Nucleus
Lack of paralysis during REM.
What is RBD? (REM Behavior Disorder)
According to Freud, the actual, literal content of a dream.
What is the manifest content?