Pulling an all-nighter or getting fewer hours of sleep than normal may have more consequences than simply suffering fatigue during the work day. According to a new small study, losing just one night of sleep may increase a biomarker associated with Alzheimer’s disease.
The study, published in Neurology, found that tau protein — considered to be one of the main marks of Alzheimer’s — became more prevalent in the brains of young men who lost one night of sleep.
Researchers in Sweden examined 15 healthy young men, most of whom were around the age of 22. Typically, the participants slept seven to nine hours per night, which is in the ballpark for the CDC’s recommended amount of sleep for adults.
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