After one sleepless night in the cerebrospinal fluid by 10% increases the level of beta-amyloid protein associated with dementia. It showed an experiment conducted at the Medical school of the University of Washington, reports “Orthodox”.
It was attended by 17 healthy volunteers aged 35 to 65 years. The participants did not suffer from chronic sleep disorders and cognitive impairment.
Volunteers are asked to spend one night in a specially designed room with soundproofing. Experts monitored the brain activity of participants.
Volunteers wore headphones. Half of the participants heard a beep, as soon as their brain was immersed in the slow phase (deep) sleep. About a month later the experiment was repeated, changing places group.
Researchers took participants ‘ cerebrospinal fluid samples. The study showed that the volunteers after one night without sleep on a 10% increase in the concentration of beta-amyloid protein.
The level of Tau-a protein also associated with Alzheimer’s disease, they have not increased. However, those who slept poorly at home in the week before the lumbar puncture, the concentration of the Tau protein were increased. Experts point out that deep sleep is essential for clearing the brain of debris.