The New Yorkerのインスタグラム(newyorkermag) - 9月1日 10時00分

While we sleep, our muscles contract to make small, sharp movements, and our closed eyes dart from side to side in a phenomenon known as rapid eye movement, or REM; it’s typically during REM sleep that we have our most vivid dreams. The consensus has long been that these twitches are dream debris: that our bodies are paralyzed to prevent us from acting out our dreams, and some movements slip through the cracks. But what if the opposite is true—that it’s not our dreams causing the twitches, but the twitches causing our dreams? At the link in our bio, read about the theory that flips our conventional understanding of what happens when we sleep. Illustration by @linamueller_illustration.

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