Lack of major seasonal variations in self reported sleep-wake rhythms and chronotypes among middle aged and older people at 69 degrees North: The Tromsø Study

• Published in: Sleep Medicine
• Main Authors: Johnsen, May Trude, Wynn, Rolf, Allebrandt, Karla, Bratlid, Trond
• Format: Article in Journal/Newspaper
• Language: English
• Published: Elsevier BV 2013
• Subjects: General Medicine; Tromsø
• Online Access: http://dx.doi.org/10.1016/j.sleep.2012.10.014; https://api.elsevier.com/content/article/PII:S1389945712003863?httpAccept=text/xml; https://api.elsevier.com/content/article/PII:S1389945712003863?httpAccept=text/plain