Influence of Day Length and Physical Activity on Sleep Patterns in Older Icelandic Men and Women

Robert J. Brychta*, Nanna Yr Arnardottir, Erlingur Johannsson, Elizabeth C. Wright, Gudny Eiriksdottir, Vilmundur Gudnason, Catherine R. Marinac, Megan Davis, Annemarie Koster, Paolo Caserotti, Thorarinn Sveinsson, Tamara Harris, Kong Y. Chen

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

19 Citations (Web of Science)
Original languageEnglish
Pages (from-to)203-213
JournalJournal of Clinical Sleep Medicine
Issue number2
Publication statusPublished - 2016


  • aging
  • seasonal
  • total sleep time
  • physical activity
  • accelerometer

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