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[Written by Claude] Sleep is something everyone does, every night, without a second thought. But peel back the curtain and it’s one of the most intricate, tightly choreographed processes in the human body — a nightly performance of electrical switches, chemical cascades, and brainstem circuitry so reliable that most of us never once wonder howContinueContinue reading “The Machinery of Sleep: What’s Really Happening When You Close Your Eyes”