For sure some of us have had some episodes on wanting to get up from bed but fail to do so? Why is that? Some say it is the inability to move certain parts of the body which many relate to sleep paralysis. Apparently some people have had their experiences and if you want a scientific explanation from it, you may want to associate it with Rapid Eye Movement (REM). REM sleep intrudes into wakefulness, so if you don’t immediately click out of REM sleep and wake up, then you may continue to have this paralysis.

Hence it would be best to get some special help regarding this condition. Apparently you will be frightened about being temporarily paralyzed. There are explanations but to remedy it, sleep experts are the best people to teach you how.

(Source) Stuff

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A lot of people in the world are addressing the problem of insomnia. However much of them attribute this to lifestyle but as far as scientific explanation, most attribute it to food consumption or psychological issues that affect us when we are thinking too much.

Gamma-aminobutyric acid (GABA), the most common inhibitory transmitter in the brain, has been identified as severely reduced in people suffering with primary insomnia. Primary insomnia is a manifestation of a neurobiological state of hyperarousal, which is present during both waking and sleep at physiological and cognitive levels.

So as far as insomnia is concerned, we can see that it is a lot more serious than just not being able to sleep. Much of our nervous system components are bound to be affected so it would be best to address it and see a sleep specialist to find some cures for it.

(Source) PsychCentral

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