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Trazodone, sold under many brand names, [1] is an antidepressant medication [20] used to treat major depressive disorder, anxiety disorders, and insomnia. [20] It is a phenylpiperazine compound of the serotonin antagonist and reuptake inhibitor (SARI) class.
Slow-wave sleep (SWS), often referred to as deep sleep, is the third stage of non-rapid eye movement sleep (NREM), where electroencephalography activity is characterised by slow delta waves. [ 2 ] Slow-wave sleep usually lasts between 70 and 90 minutes, taking place during the first hours of the night. [ 3 ]
Rapid eye movement sleep (REM sleep or REMS) is a unique phase of sleep in mammals (including humans) and birds, characterized by random rapid movement of the eyes, accompanied by low muscle tone throughout the body, and the propensity of the sleeper to dream vividly. The core body and brain temperatures increase during REM sleep and skin ...
Each sleep cycle lasts about 90 to 110 minutes and includes stages that fall into two main phases: non-REM (or NREM) sleep and REM sleep. Non-REM sleep has three sub-stages: light sleep, deep ...
REM sleep isn't just about dreaming, Dr. Erik St. Louis, a neurologist and chair of the Division of Sleep Neurology at Mayo Clinic, tells Yahoo. It also appears to play a key role in brain ...
One study suggests that taking longer to reach the rapid eye movement (REM) stage of sleep is associated with biomarkers of Alzheimer’s disease. The delay in getting to REM might be useful in ...
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