In need of help towards the right direction

Hello I have a 2013 Ford flex limited here's the problem and here's what I did so far, new battery the alternator is good no problem there the problem is if car sits overnight battery drains and won't start and I can't find anything on Google about the Ford flex after yuu shut the car off the touch screen stays on even after yuu open the driver's door car is a push button start by the way I can't turn radio off manually it goes to sleep in about 25 minutes and appears to be off I've tried the hard and soft reset still have same problem there's nothing left on in the car no car chargers plugged in if anyone has had the problem please tell me what yuu did to fix it it's driving me crazy thanks id appreciate it