Penelope didn't have to say what it reminded her of. Harry knew what muggleborns had been through during that year. He hadn't been there, obviously, but he knew. The fact that Penelope's dreams were bad enough to remind her of that, it made Harry's stomach twist.
"I had the same sort of dream," he said quietly. He wasn't sure if she'd feel any better knowing she wasn't alone, but he thought it might help. "I couldn't sleep either." He squeezed her shoulder, his eyes following hers down to the tiles. "Could you see anyone? make out any faces?"