Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/RCC/RCC_AHB1LPENSR#0x0
RCC AHB1 Sleep enable register
GPDMA1 sleep enable
ADC12 sleep enable
https://github.com/modm-io/cmsis-svd-stm32