Temporary Lines on display after startup

[Jamper]

Hi guys, I have a 49" samsung ultrawide monitor (model: lc49hg90dmexxy).

I recently moved my monitor to install a new desk, and when I place it back upon my desk, it now displays lines when turned on for the first time each day. (not device specific as I swap between my work laptop and home computer and there's no lines between that, it only happens on the very first launch of the day (or after a great amount of time). I originally thought it might be getting very cold over night (it's winter right now), but that seems kinda crazy maybe?

 

The lines are both vertical and hoziontal and only appear for maybe 1 minute maximum right after start up for the first time each day (it's not my individual devices because this occurs regardless of input type or device - I have tested this across 2 computers).

Here's a picture of what's going on:

 

https://imgur.com/dDMSuYm

 

Let me know what you think.

 

Cheers.