Is it true that your skeleton get smaller during the day?

Yes, it is true that your skeleton can become slightly smaller throughout the day. This occurs due to compression of the intervertebral discs in the spine as a result of gravity and activities like walking and standing. As these discs lose fluid and compress, the overall height of the spine decreases slightly, leading to a reduction in height by the end of the day. However, this change is temporary, and height is regained after resting and sleeping.