@misc{indiciaea6f2547c8ba3,
  title = {[Heart rate variability during sleep].},
  author = {P Busek and J Vanková and J Opavský and J Salinger and S Nevsímalová},
  year = {2005},
  url = {https://pubmed.ncbi.nlm.nih.gov/16279434/},
  note = {Source identifier: 16279434}
}