Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wb0/STM32WB05/WAKEUP_REG/WAKEUP_BLE_IRQ_STATUS#0x0
WAKEUP_BLE_IRQ_STATUS register
On read, returns the IP_BLE wakeup interrupt status.
https://github.com/modm-io/cmsis-svd-stm32