Stephen Quale and Whitney Haney just can't figure out how it happened - how their 8-month-old baby boy died when they left him in his car seat.

"I've heard of other kids getting into cars or being left out in the heat and dying in car seats, but never just falling asleep in a car seat and not waking up," said dad Stephen Quale.

Haney said she brought her son Landon over to her mother's house. He had fallen asleep in his car seat.

"I didn't want to put him on the bed because I was afraid he was gonna roll off. That was the only place that he had to lay. He didn't have a baby bed there or nothing," said Haney. She went on to explain that she went outside to check on the other kids, and wasn't gone very long.

"I walked back in and he was blue. And I picked him up and I tried to do CPR on him and he wouldn't move or nothing."

They rushed Baby Landon to the hospital, but he died at UK Sunday. The coroner said it was from injuries consistent with positional asphyxia, saying Landon was sleeping in a position where he couldn't breathe.

"They fall asleep in the car every time you go and when you pull them out of the car - I thought it was gonna be safe for him - you don't want to wake him up sometimes to put him in the bed," said Quale, "please don't leave your kids in car seats."