Why Your Brain Replays the Day While You Sleep
"Sleep on it" is real. While you sleep, your brain fast-forwards through the day's experiences to rewrite them into permanent memory — a nightly handoff you can't do awake.
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"Sleep on it" is real. While you sleep, your brain fast-forwards through the day's experiences to rewrite them into permanent memory — a nightly handoff you can't do awake.
You forget last Tuesday's lunch but remember exactly where you were during shocking news. The chemistry that stamps emotional events into memory — and why it never promised accuracy.
Your mind runs on a beat. Alpha, theta, gamma — and why the way fast rhythms nest inside slow ones may explain why you can only hold about seven things in mind at once.