@article{automaticsleepstagingrecentdevelopment,
  title = {Automatic Sleep Staging of EEG Signals: Recent Development, Challenges, and Future Directions},
  author = {Huy Phan and Kaare Mikkelsen},
  year = {2021},
  eprint = {2111.08446},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2111.08446v3},
}