(NEWSER) – Plenty of people tend to fall asleep with their phones in their beds at night, but one 13-year-old's tale is cautionary, to say the least.

Ariel Tolfree says her Samsung Galaxy S4 slipped under her pillow after she went to bed, and she woke a burning smell.

Her dad tells KDFW he thinks the phone overheated and the battery—a replacement, not the original—swelled while she slept. Newsy reports: