@misc{indiciae533c95bfb721,
  title = {Sleep Environment Recommendations for Future Spaceflight Vehicles},
  author = {Caddick, Zachary A. and Gregory, Kevin and Flynn-Evans, Erin E.},
  year = {2016},
  url = {https://ntrs.nasa.gov/citations/20190002008},
  note = {Source identifier: 20190002008}
}