Do Not Disturb calls whilst on Bluetooth and whilst Sleeping
So recently I've been getting calls at random times through the night from people who are not my contacts (nature of my business). It's getting annoying even when my phone is on silent. I have tried scheduling Do Not Disturb whilst I sleep to allow calls from only my Contacts however I need this function to allow calls from Everyone when I'm driving and connected to the Bluetooth. I can't seem to do this, it's either one or the other and then I miss calls whilst I'm driving.
Is there a way to have the Do Not Disturb on whilst I sleep (scheduled) to allow calls from only Contacts and then Everyone when connected to an in car Bluetooth? Or am I missing something?
Thanks
iPhone 12 Pro