". . .did you just use Sharingan to put our niece to sleep?" Tobirama demanded, and Madara twitched, lifting his head. "Madara!"
"Mother used to all the time when Izuna wouldn't stop crying." Madara said defensively. "It's not as though it was the first thing I tried," he added, rocking her absently in his arms, "I tried everything else first, she just doesn't feel well. Now she can sleep through it, and have pleasant dreams until she wakes."
Babysitting no Sharingan (Naruto; MadaTobi)
"Mother used to all the time when Izuna wouldn't stop crying." Madara said defensively. "It's not as though it was the first thing I tried," he added, rocking her absently in his arms, "I tried everything else first, she just doesn't feel well. Now she can sleep through it, and have pleasant dreams until she wakes."