- Both sleep disturbance and excess sleep have been linked to development of dementias, particularly Alzheimer’s disease.
- Now, a study has found that people with particularly long sleep duration are more likely to have more of a brain protein linked to Alzheimer’s.
- The study found that sleeping for more than 8.5 hours a night was associated with blood biomarkers of tau protein, suggesting that long sleep may indicate early neurodegeneration.
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Sleeping longer than 8.5 hours a night may be a sign of Alzheimer’s
