Going of feed can be due to several reasons, seasonal, husbandry, health etc, the most important is to monitor your BP’s weight and see if there anything that could be done for your BP to resume feeding!
Often sick BP will stop eating, which is understandable.
Also whenever you have a refusal do not offer the next day, it only contributes to more stress which lead to more refusal.
Can you give us info on her setup? Temps, humidity, type & size of enclosure, hides, type of thermometer used etc? (Pic would be great too)
How big is your BP?
How often do you handle your BP?