@article{PhysRevFocus.23.13,
  title = {How to Measure Sleep},
  author = {Minkel, JR},
  journal = {Phys. Rev. Focus},
  volume = {23},
  issue = {},
  pages = {13},
  numpages = {1},
  year = {2009},
  month = {Apr},
  doi = {10.1103/PhysRevFocus.23.13},
  url = {http://link.aps.org/doi/10.1103/PhysRevFocus.23.13},
  publisher = {American Physical Society}
}