![]() Sleep paralysis can also negatively affect your sleep because if you're terrified, it's not easy to rest. ![]() There's no proof for this theory yet, but it's an interesting possibility. During sleep paralysis, they say, this part of the brain might get confused and "sense" a different body in the room alongside our own. They suggested in Frontiers In Human Neuroscience that this hallucination might take place because of malfunctions in the right parietal cortex, which usually provide us with a map of our own bodies. Researchers in 2017 found that hallucinations of "ghostly intruders" or room invaders are pretty common in people with sleep paralysis you'll lie immobile convinced that there's something in the room with you. It's not known precisely what happens in the brain during sleep paralysis, but one symptom that often accompanies it - a feeling of intense dread - could give us a clue. How we get into that state, and why it exists, is a mystery. Current science says that sleep paralysis is a kind of "in-between" state: your body is exhibiting the signs of REM sleep, but your brain is partially awake. Research published in The Journal Of Neuroscience in 2012 found that the brain uses neurotransmitters to completely immobilize the body during REM sleep, but your muscles should relax when you wake up. You should be completely unaware of your paralysis during REM sleep if you're conscious of it, your brain has woken you up by accident. ![]() "Sleep scientists believe that sleep paralysis may occur when the transitions in and out of REM sleep and other sleep stages don’t go smoothly," Dr. It's crucial for the body to freeze during this time, because REM is when a lot of dreaming happens, and if you aren't paralyzed, you might start running away from those zombies in real life- and that might mean you hurt yourself or those around you. "During REM, the body goes into a state of paralysis known as REM atonia, when major muscle groups and most voluntary muscles are paralyzed," Dr. The paralysis itself isn't anything to worry about, he says it's what happens to virtually everybody during rapid eye movement sleep, or REM. tells Bustle, particularly when you're falling asleep or when you're in the middle of deep rest. Sleep paralysis can occur at virtually any point in the night, sleep expert Dr. Experts tell Bustle that sleep paralysis happens because you've become conscious of the body's own self-protection mechanisms during deep sleep. Contrary to what you might think in that terrifying moment, you haven't been possessed by a ghost, cursed, or rendered permanently paralyzed. It's known as sleep paralysis, and up to 8% of the population have experienced it at some point. Waking up in the middle of the night and discovering, to your horror, that you can't move your arms or legs isn't that uncommon.
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