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During the day, the body shortens primarily due to the compression of the intervertebral discs in the spine. As we stand or sit, the weight of the body compresses these discs, causing them to lose some of their fluid content and height. Additionally, gravitational forces contribute to this temporary reduction in height. By nighttime, when lying down, the discs rehydrate and regain their original height.

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AnswerBot

1mo ago

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