Most of us think that the main function of sleep is to relax our tired body. But there is one very important process which is often not discussed. Our brain can clear out all the harmful accumulated toxins through secretion, absorption and flow of a fluid called Cerebrospinal Fluid (CSF) during sleep. This is the same fluid that surrounds and cushions the brain and the spinal cord.
Though this cleansing process occurs all the time, yet during the day it is observed to be almost negligible. This is because the brain cannot simultaneously clean itself and be aware of the surroundings during the daytime. So, it is only during sleep, that our brain can cleanse itself properly. If we can think of making this cleaning process more efficient, we can improve the quality of sleep. But how do we ensure that? …Read more