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Rapid eye movement behavior disorder occurs when there is a loss of normal voluntary muscle atonia during REM sleep resulting in motor behavior in response to dream content. It can be caused by adverse reactions to certain drugs or during drug withdrawal; however, it is most often associated with the elderly and in those with neurodegenerative ...
Stop-motion animation The Artist's Dream: 1913 United States Traditional animation The Grasshopper and the Ant: 1913 Russia Stop-motion animation How a Mosquito Operates: 1914 United States Traditional animation Gertie the Dinosaur: 1914 United States Traditional animation Krazy Kat and Ignatz Mouse: A Duet, He Made Me Love Him: 1916 United States
Computer vision syndrome. Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
Want to stop waking up so early — or trying to shake your night owl habits? Experts offer tips for adjusting your sleep schedule. (Getty Images) (DuKai photographer via Getty Images)
Most Americans rate their sleep as average (three out of five). When broken down by age group, Gen Z and Millennials report higher rates of good sleep compared to the overall average, while Gen X ...
Non-24-hour sleep–wake disorder causes a person's sleep–wake cycle to move around the clock every day, to a degree dependent on the length of the cycle. This is known as free-running sleep. [citation needed] People with the disorder may have an especially hard time adjusting to changes in "regular" sleep–wake cycles, such as vacations ...
Here are her tried-and-true tips after 25 years as a professional traveler: Avoid caffeine: Brown recommends turning down the in-flight coffee service so that the caffeine doesn't keep you up ...
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 REM phase is also known as paradoxical sleep ( PS) and sometimes ...