Biological Science

Why do people feel sleepy while reading ?

September 25, 2015Apuroop

The best way one can sleep is to read something. One of the reasons behind this is the posture in which one sits because while reading a person rarely moves. This lack of physical activity causes decreased blood flow to muscles, which results in accumulation of lactic acid, a product of incomplete combustion in the cells. This lactic acid is a highly reducing or oxygen absorbing agent, which quickly reacts with oxygenated blood. This ensures lack of oxygenated blood flowing to the brain, which makes us feel sleepy.

To tackle this problem we must avoid reading in a single stretch, instead its better to take some breaks and indulge in physical activity at short intervals. So if someone questions you regarding this, you can answer them that it is actually not your mistake ! I hope no one is sleeping while reading this post.

image source : google

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