Artemis II crew tells NBC News what sleep is like in space

I'm just curious. You guys, you have all been dreaming of this moment for so long. Uh, can you sleep in space when you are finally at this moment that you've been so excited about and working for for so long.>> Well, we do love sleeping up here and such a long initial day that I think our bodies are ready to sleep no matter what. Most of us have been sleeping really well. For me, sleeping in space is one of the most comfortable ways to sleep.And it's very deep sleep, very sleep. Sometimes when you first get ...