Health
Too much or too little sleep can harm your brain, study suggests – CNN
Getting too little or too much sleep? Both were associated with worse health outcomes for older adults, a new study found.

(CNN)How long older adults sleep could affect their brain health, according to a study published Monday in the journal JAMA Neurology.
Disrupted sleep is common in late life, the study authors wrote, and associated with changes in cognitive function –…
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