[Pearl stands up beaide Kida, dusting off her leggings. Pearl stretches her arms high over her head in a long stretch, feeling it all the way down to her ankles. The Gem nods and taps her forehead as she relaxes from her stretching.]

That's correct. My gem sustains itself. However, I could experience sleep if I wanted to, like many other human experiences.

I've experienced it once. It was... strange.

[Pearl approaches the torches, snuffing them out. But her gem glows brightly, to keep the immidate area illuminated.]