Sleep Disorders

how much deep sleep do you need each night

How Much Deep Sleep Do You Need & 14 Steps To Improve Quality Sleep

Deep sleep is essential for the proper functioning of the nervous system. We can also be more alert and focused, achieve better cognitive performance, and, for example, make less memory or attention mistakes. But how much deep sleep do you need in a night? Even the sleep society has warned that you can die of …

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phases of sleep

How many stages of sleep are there and what is REM sleep stage.

There are various medical tests, e.g. electroencephalogram, electrooculogram, and electromyogram. They record parameters such as the skin’s electrical conductivity, respiratory rate, and heart rate to determine the various phases of sleep. During the night, a series of short and long-wave cycles alternate while you sleep. They create different phases of sleep that last about ninety …

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