Do I need to worry about girl taking my phone?

Very specific question. I know to keep my valuables in the hotel safe. It is less convenient to do so with my phone. If I pick up a girl on the street, any risk of it being taken while I'm asleep? I figure she won't take off until she is paid, and my iPhone is several years old. But I will have Find My Phone disabled so family members won't know I'm in Pattaya.

How about you kick her out after you finish

Why not put your phone in the safe afterwards? Why would you need your phone while you're sleeping?

Crime rates are mich lower in thailand, do what makes you comfortable