Poor posture may make you look shorter than you actually are. And over time, slumping or slouching can also affect your actual height. ... If you regularly slump or slouch, these curves may shift to accommodate your new posture.

Can slouching make you shorter?

But did you know that poor posture also makes you shorter? Indeed, your posture is an utterly important factor when it comes to reaching your true height. Over time your poor posture can provoke your body to slump and slouch, which can profoundly stunt your height growth and reduce your current height.

How much height do you lose when you slouch?

On average a person will lose about half an inch of height every 10 years from their peak height.