An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Buysse DJ, Thompson W, Scott J, Franzen PL, Germain A, Hall M, Moul DE, Nofzinger EA, Kupfer DJ.Buysse DJ, et al.Sleep Med. 2007 Apr;8(3):198-208. doi: 10.1016/j.sleep.2006.10.006. Epub 2007 Mar 23.Sleep Med. 2007.PMID: 17368098Free PMC article.
Mezick EJ, Matthews KA, Hall M, Kamarck TW, Buysse DJ, Owens JF, Reis SE.Mezick EJ, et al. Among authors: buysse dj.Psychoneuroendocrinology. 2009 Oct;34(9):1346-54. doi: 10.1016/j.psyneuen.2009.04.005. Epub 2009 May 17.Psychoneuroendocrinology. 2009.PMID: 19450933Free PMC article.