He can

"Alright. Catherine, imagine yourself training. The exercise, the strain, the hot sun beating down. It feels amazing doesn't it? But it also feels tiring. Especially today. The sun is even hotter than usual, your muscles aching even more. Can you imagine it?"

Catherine nodded.

"Y-yeah..."

"And how do you feel?" He asked.

"Nng... Good... But... Tired..." She grunted

"That's right. Sometimes after a good workout, a nap hits just right doesn't it? Catherine?" He asked.

She didn't respond... As she had fallen asleep, maybe even before he had mentioned it

"Oh uh... Wow. Okay. That was easier than I thought, but still, she probably won't be very receptive to commands..."