HELP screen locks itself when swiping down notification tray

[Kjg14]

I got the Galaxy s7 edge about 2 weeks ago and I love it ! But I'm having some major issues. Sometimes when I swipe down for the notification tray the phone locks itself! Sometimes it's when I touch random places on the screen and it just locks itself! Already checked screen timeout and what not and it's on 1 minute of inactivity. I'm running the latest version of software and I've already reset my phone.