They hide a whole lot, it is normal. That's funny she got you while cleaning. I think you'll feel better knowing your BP probably has a good feeding response. Or maybe she just got scared by the activity in her cage. I remove my bp into a different box while I clean out their enclosure.
Also possible that the daily handling has been causing her to stress up over time, making her quick to strike defensively. Mostly people handle every other day or less often.