There really wasn't a reason to keep her eyes averted since Peter was apparently alone in the bed and he had the sheets over him. God sheets and a real bed were amazing after all his time on the Milano!
At first he groaned a little because he didn't want to know why Evie knew this early in the morning that Warren was gone but as his hand swatted for Gamora and found only empty bed Peter sat up and looked around a little frantically.