New Notification wake up screen every 30s

[Kudoconan]

I have a Mondrian (Poco F5 Pro) phone, i have installed the latest version of xiaomi.eu with clean flash and I don't know why, but every time I receive a notification, my phone vibrates every 30 seconds and the screen wakes up until I click on the notification, this happens on WhatsApp and Messenger as well

Am I the only one experiencing this issue?

 

[Kudoconan]

My issue is partially resolved when my phone is in 'Do Not Disturb' mode. I also received a notification that my system has been repaired. I reinstalled the ROM and still have the same problem."