Optimus was at the base where he and his fellow autobots resided with their human allies who were military. It was at night and Optimus couldn't sleep because of the storm going on outside. He walked down the hallway of the autobot base and looked out a window. He sees it downpouring. The same stoic expression on his robotic face. His blue optics just gazing at the storm outside. He then heard someone awake and he turned around to see who it was.

Apologies. I did not mean to disturb you from your slumber. Do you require anything? Optimus asked in that deep voice of his.