Ibn Sina's Floating Man as Astronaut

From Galen Strawson:

empirical support from an experienced flying man—an astronaut—for Ibn Sina’s ‘Flying Man’ hypothesis! Question: “What’s the strangest thing you ever did in zero gravity?” Answer: “I’m the only one I know that sleeps floating. It’s delicious. You don’t know where you are, and after a while, because your limbs aren’t touching anything, you lose sense that you even have them...