10 of the Strangest Bodily Functions that You Need to Know

There is an intervertebral disc between every vertebra of your spinal column. These discs serve as shock absorbers for your spine, and as you proceed in your day, the discs get compressed, squeezing their fluid out.

But you shouldn’t worry because the fluid is reabsorbed during sleep. Actually, multiple sources state that we can lose between 1 cm and nearly 1 inch of height during the day, depending on our activity level.