Category Archives: REM Sleep

Rapid eye movement sleep (REM sleep) is a normal stage of sleep characterized by the rapid and random movement of the eyes. REM sleep is classified into two categories: tonic and phasic. It was identified and defined by Nathaniel Kleitman, Eugene Aserinsky, and Jon Birtwell in the early 1950s. Criteria for REM sleep includes rapid eye movement, but also low muscle tone and a rapid, low-voltage EEG; these features are easily discernible in a polysomnogram, the sleep study typically done for patients with suspected sleep disorders.

REM sleep in adult humans typically occupies 20–25% of total sleep, about 90–120 minutes of a night’s sleep. REM sleep normally occurs close to morning. During a normal night of sleep, humans usually experience about four or five periods of REM sleep; they are quite short at the beginning of the night and longer toward the end. Many animals and some people tend to wake, or experience a period of very light sleep, for a short time immediately after a bout of REM. The relative amount of REM sleep varies considerably with age. A newborn baby spends more than 80% of total sleep time in REM. During REM, the activity of the brain’s neurons is quite similar to that during waking hours; for this reason, the REM-sleep stage may be called paradoxical sleep.

REM sleep is physiologically different from the other phases of sleep, which are collectively referred to as non-REM sleep (NREM sleep). Subjects’ vividly recalled dreams mostly occur during REM sleep.

Arizona Medical Marijuana Blog Condition Petitions Skin Conditions Sleeping Disorders

Posted on August 1, 2012 by Kevin

Condition Petitions Skin Conditions Sleeping Disorders Medical-marijuana OK for sleeping disorders, skin conditions sought by Yvonne Wingett Sanchez The Arizona Department of Health Services has received petitions to expand the state’s medical-marijuana program to include treatment of sleeping disorders and … Continue reading →

Posted in Arizona Department of Health Services, Arizona Medical Marijuana, Dreaming, Insomnia, Nightmares, REM Sleep, Sleep Disorders | Tagged , , , | Leave a comment

Arizona Medical Marijuana Blog Medical Conditions Treated With Marijuana

Posted on July 23, 2012 by Kevin

Medical Conditions Treated With Marijuana Medical Conditions for Marijuana Treatment Acquired Hypothyroidism Agoraphobia  – (from Greek ἀγορά, “marketplace“; and φόβος/φοβία, -phobia) is an anxiety disorder characterized by anxiety in situations where the sufferer perceives the environment to be difficult or … Continue reading →

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Arizona Medical Marijuana Blog Dreaming REM Sleep

Posted on April 2, 2012 by Kevin

REM Sleep Does marijuana affect dreaming? By lucid logic “Vivid dreams” – this is the most common response I receive when asking cannabis smokers about the withdrawal symptoms they’ve experienced. Does marijuana affect the ability to dream? If so, in … Continue reading →

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