tinyfacts: The human body is better suited to two four-hour sleep cycles than one eight-hour one “Every 60-100 minutes we go through a cycle of four stages of sleep Stage 1 is a drowsy, relaxed state between being awake and sleeping

tinyfacts: The human body is better suited to two four-hour sleep cycles than one

tinyfacts: The human body is better suited to two four-hour sleep cycles than one eight-hour one “Every 60-100 minutes we go through a cycle of four stages of sleep Stage 1 is a drowsy, relaxed state between being awake and sleeping - breathing slows,

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