How do you sleep in the night because you might float around?

Question: How do you sleep in the night because you might float around?
- Keywords:
  float,
  sleep,
  zero gravity
Asked by kierand8 on 11 Jan 2016. This question was also asked by baylienthealien24, BB-8, unfledgedpit739, iaaukadmin, saphireroks, katie12.
- Steve Price answered on 11 Jan 2016:
  
  Hi,
  The astronauts sleep in something that looks like a sleeping bag. It is strapped to the wall and they are strapped in as well.
  Otherwise, as you suggested, they be floating around.
- Claudie Haignere answered on 1 Feb 2016:
  
  Steve is right, in a sleeping bed hanging on a wall, with horizontal straps fixed on the wall. Inside the sleeping bed, I was more comfortable in a coiled position, curled up with the sensation of pressure on the soft tissues, to find sleep

Question: How do you sleep in the night because you might float around?