The worrying setting on your iPhone that could let anyone access it while you sleep...

Imagine this chilling possibility: as you sleep peacefully, someone in your home picks up your iPhone. It's shocking to think that anyone can unlock your phone without your knowledge when you're sleeping. As anyone with a relatively modern iPhone knows, it's possible using Apple's Face ID to open your phone just by looking at it A common fear is that someone could hold your phone to your face while you're sleeping to unlock it As anyone with a relatively modern iPhone knows, it's possible using Apple's Face ID to open your phone just by looking at it. It maps all your curves and wrinkles and stores that data as a key to unlock your phone. If there's a more significant change in your appearance, like shaving your beard, Face ID confirms your identity by using your passcode prior to updating your face data.