Lack of sleep is tied to increases in two Alzheimer’s proteins
It’s not just A-beta levels that rise in the sleep deprived; tau levels do too
![tau neurons](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/01/012419_ac_tau_feat.jpg?fit=860%2C460&ssl=1)
TANGLED UP Tangles of tau protein (green) muck up a nerve cell from a patient with Alzheimer’s disease, as seen in this transmission electron micrograph.
Thomas Deerinck, NCMIR/Science Source