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Sleep paralysis

Sleep paralysis is REM muscle atonia carrying over into waking. You are conscious, you cannot move, and a pressing weight or a presence in the room often comes with it. It is not dangerous, but sleep loss and sleeping on your back make it more likely.

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The Old Hag, the jinn and the demon on your chest, explained

Sleep paralysis happens when REM muscle atonia spills into waking. The Old Hag in Newfoundland, kanashibari in Japan and the Pisadeira in Brazil are the same event with different monsters.

Aug 10, 2026·4 min read·United States, Japan, Brazil, Egypt, South Korea

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CountryArticles
United StatesThe Old Hag, the jinn and the demon on your chest, explained
JapanThe Old Hag, the jinn and the demon on your chest, explained
BrazilThe Old Hag, the jinn and the demon on your chest, explained
EgyptThe Old Hag, the jinn and the demon on your chest, explained
South KoreaThe Old Hag, the jinn and the demon on your chest, explained
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Same problem. Different answers.