She just reverse-engineered the psychology of every high-performer who can't turn off.
You can't tell a firefighter to nap. Their entire identity is built around staying alert when everyone else is asleep. Telling them to rest triggers the same resistance as telling them to quit.
"Let's watch a show" works because it reframes rest as togetherness. He didn't agree to sleep. He agreed to spend time with her. Sleep was just the side effect.
The best people in your life don't argue with your stubbornness. They just build a trap you walk into willingly.