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, Nofzinger EA, Germain A, Meltzer CC, Wood A, Ombao H, Kupfer DJ, Moore RY.Buysse DJ, et al. Among authors: kupfer dj.Sleep. 2004 Nov 1;27(7):1245-54. doi: 10.1093/sleep/27.7.1245.Sleep. 2004.PMID: 15586778
Levitt H, Wood A, Moul DE, Hall M, Germain A, Kupfer DJ, Buysse DJ.Levitt H, et al. Among authors: kupfer dj.Behav Sleep Med. 2004;2(2):113-31. doi: 10.1207/s15402010bsm0202_3.Behav Sleep Med. 2004.PMID: 15600228
Buysse DJ, Thompson W, Scott J, Franzen PL, Germain A, Hall M, Moul DE, Nofzinger EA, Kupfer DJ.Buysse DJ, et al. Among authors: kupfer dj.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.