Oxygen Is A Happy Gas

Ever felt tired & sleepy after a heated quarrel? This phenomenon and many others could be easily explained with the depletion of blood cells. Our blood cells die in great numbers when we are stressed. Naturally, when we quarrel and feel heated, our blood cells die, and since blood cells carry oxygen, lesser blood cells mean lesser oxygen, and lesser oxygen would retard brain activities and make us sleepy.

Oxygen is a happy gas. Ever wonder why oxygen makes up only 20% of natural air, but docs give pure-oxygen masks to patients? Cuz' oxygen rejuvenates the body. Not convinced? Here's another example. Remember the occasional mornings you strolled in the park? The smell of the air, filled with the early-morning oxygen emission from the greenies exhilarated you, didn't it?

In a related issue, sleepiness after meals comes from the drawing of blood away from your head to your stomach for digestion. With a rush of oxygen-carrying blood cells elsewhere, our think tanks get groggy naturally. Feeling sleepy after sex for some men could be explained in similar ways too. Think along this line and you'd be able to explain why we feel sleepy shortly after some other activities ...