To cite package ‘nocturn’ in publications use:

  Thedie D (2026). _nocturn: Sleep Data Filtering and Visualisation_. R
  package version 1.1.3, <https://CRAN.R-project.org/package=nocturn>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {nocturn: Sleep Data Filtering and Visualisation},
    author = {Daniel Thedie},
    year = {2026},
    note = {R package version 1.1.3},
    url = {https://CRAN.R-project.org/package=nocturn},
  }