With Poor Sleep, Parts of Our Brains Remain Asleep While We're Awake

Sleep: How Do We Get More?

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With Poor Sleep, Parts of Our Brains Remain Asleep While We're Awake

Researchers have discovered a phenomenon called local sleep, where certain areas of the brain go offline while other parts remain active. This could explain why we feel tired and space out even when our eyes are open and we're still hearing things. Lack of sleep can affect neurotransmitters and worsen alertness, but the concept of local sleep reveals that our brain can fall asleep involuntarily.

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