
According to the paper, a centralized sleep command center can't account for behaviors like sleepwalking and "sleep inertia," or the sluggishness we feel when we first wake up. In those cases, parts of our brain are obviously awake while others are fast asleep. All this suggests that regions of our brain can make their own decisions about wakefulness. So next time your partner wants to talk at bedtime and asks "Are you asleep?" don't worry about saying yes. Truth is, part of your brain is probably already snoring. [via sciam]
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