For a sudden change, I think I would check with a doctor to make sure there's no underlying problem. Though offhand, I have no idea what kind of problem it would be. But I think if it were related to diet or lack of sleep, you'd see the effects all over and not just one part of your body.
- Gray 2010 carbon WSD road bike, Rivet Independence saddle
- Red hardtail 26" aluminum mountain bike, Bontrager Evoke WSD saddle
- Royal blue 2018 aluminum gravel bike, Rivet Pearl saddle
Gone but not forgotten:
- Silver 2003 aluminum road bike
- Two awesome worn out Juliana saddles