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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 ...
Another study published in Sleep Medicine Reviews found that sleep disturbances may predict an increased risk of dementia. The new study showed a connection between daytime sleepiness and motoric ...
Loss of slow-wave sleep, also known as deep sleep, has been linked with increased risk of developing dementia. Getting less slow-wave sleep as you age may increase your risk of dementia, study ...
Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").
RBD is diagnosed either by sleep study recording or, when sleep studies cannot be performed, by medical history and validated questionnaires. [ 25 ] [ 52 ] [ c ] In individuals with dementia and a history of RBD, a probable DLB diagnosis can be justified (even with no other core feature or biomarker) based on a sleep study showing REM sleep ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 March 2025. Long-term brain disorders causing impaired memory, thinking and behavior This article is about the cognitive disorder. For other uses, see Dementia (disambiguation). "Senile" and "Demented" redirect here. For other uses, see Senile (disambiguation) and Demented (disambiguation). Medical ...
Experts say recommendations tend to focus on amounts of sleep rather than maintaining regularity
A sleep study is a test that records the activity of the body during sleep. There are five main types of sleep studies that use different methods to test for different sleep characteristics and disorders. These include simple sleep studies, polysomnography, multiple sleep latency tests (MSLTs), maintenance of wakefulness tests (MWTs), and home ...