EEG in a sleep mask: what it actually measures
From brainwave bands to sleep onset — a plain-English tour of the sensor resting on your forehead, and how it hears the exact minute you fall asleep. What an EEG...
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The 20-minute rule: power naps, explained
Why twenty minutes is the magic number — and why waking from deep sleep leaves you worse than before. A field guide to the perfect recovery nap. The nap paradox...
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Why you wake up at 3 a.m. — and how to stay down
You surface at 3:14 a.m., wide awake, and the ceiling won’t stop staring back. An hour later you’re still there, doing math on how little sleep is left. If this...
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