How lack of sleep could hurt you

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Lack of sleep can harm your health. Chronic insomnia may lead to loss of brain volume. That is according to a 2010 study from Biological Psychiatry.

Researchers used fMRI scans to examine the brains of 37 human subjects with and without chronic insomnia. Insomniacs had a smaller volumes of gray matter in three brain areas — and the more serious the insomnia, the greater the loss of volume.

And in 2012, a preliminary study from the Washington University School of Medicine found that in mice, poor sleep may be related to brain plaques associated with Alzheimer’s.

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