It’s Enough to Keep You Awake

Sleeping too little — or too much — associated with poor brain health:

Sleeping too much or too little is associated with changes in the brain that are known to precede and increase the risk of stroke and dementia later in life, a new study suggests.

In one of the largest neuroimaging studies of its kind, researchers at Yale School of Medicine (YSM) examined the brain images of nearly 40,000 asymptomatic middle-aged adults to understand how their sleep habits may impact their brain health.

I’m sure I should sleep more. But I don’t need more to worry about.

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