Genetic variation in a brain-cleansing water channel affects human sleep

The reason why we sleep remains an unresolved question of the 21st century. Research now shows that the depth of non-rapid-eye-movement (nonREM) sleep in humans is associated with different genetic versions of a gene that encodes a water channel involved in fluid flow in the brain.

from Top Health News -- ScienceDaily https://ift.tt/3dwOt5F