Welcome to the forum, Rebk81! In general, it's best to start your own thread (by navigating to the appropriate topic-section of the forum, then clicking the "new thread" button in the upper left) so that responses don't get all jumbled between the original poster's topic and your new addition.
Do check her temperature and lighting setup (they need 12-14 hours light, 10-12 hours dark) to make sure this isn't hibernation-related. Aside from that, she might be quilling or going through a growth-spurt. You can measure her food and water (kibble-count or use a scale) to have a better idea if she's eating less, more, or the same as usual.
If you haven't seen it before, this is a lovely careguide for hedgehogs.