Your space suit needs growing room.

Here's the strange part.

Space can give astronauts a temporary height bonus. NASA reports an average increase of about three per cent during the first few days of weightlessness, largely linked to changes in the spinal column. The amount varies, and height generally returns towards its preflight value after landing. It is an interesting adaptation, not a permanent growth hack. (NASA)

Go straight to the receipts.

Curious about the methods, dates or details? Open the original source and keep the caveat in view.