This page is currently under construction.  Here are a few terms to be defined.  Return later to see the updated list and definitions, or look them up yourself and take notes.  It’s good to do a bit of studying.  I’m studying too!

Amygdala – An almond-shaped mass of gray matter in the anterior portion of the temporal lobe. Also called amygdaloid nucleus. Literally “almond” in Latin. It can refer to any almond-shaped part of the anatomy, even tonsils. The amygdalae are part of the limbic system. They function in the processing of emotions (fear and anger, or more essentially fight-or-flight) in conjuction with the hypothalamus, hippocampus and cingulate gyrus. Active during REM sleep and responsible for emotional memory storage.

Bruxism – Excessive grinding of the teeth and/or clenching of the jaw. This can also be a cause of headaches.

Catathrenia – The opposite of snoring, this parasomnia involves production of a sound (groan) when breathing out. Sometimes it is loud enough to wake the person.

Dreamscape – The title of a movie from the ’80s, but I can think of no better word to describe the setting in which dreams take place, often revisited many times.







Isolated Sleep Paralysis (ISP)

Lucid Dreaming




Night terror


Non-Rapid Eye Movement (NREM)



Rapid Eye Movement (REM) Sleep

Recurrent isolated sleep paralysis (RISP)

REM Atonia

REM Rebound

Restless Legs Syndrome

Selective Serotonin Reuptake Inhibitor (SSRI)



Sleep Apnea

Sleep Inertia

Sleep Paralysis

Sleep Stages

Sleep Walking

Slow-wave Sleep (SWS)

Vestibular-motor hallucination

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