One of my favourite mysteries. Wendigoon made a good video on this

Adding to what others said: there is a saying “your next position is your best position”. You should switch posture frequently during the day. Sitting in front of a PC whole day does not make it easy unfortunately. You should just try to switch consciously, walk around a bit, stuff like that.

Yes, it’s been happening a lot lately. The duplicates are almost back to back. I’m on jerboa too. It’s annoying.