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.
Carr M, Nielsen T.Carr M, et al. Among authors: nielsen t.Sleep. 2015 Mar 1;38(3):433-43. doi: 10.5665/sleep.4504.Sleep. 2015.PMID: 25409100Free PMC article.Clinical Trial.
McCormick L, Nielsen T, Nicolas A, Ptito M, Montplaisir J.McCormick L, et al. Among authors: nielsen t.Sleep. 1997 Nov;20(11):939-41. doi: 10.1093/sleep/20.11.939.Sleep. 1997.PMID: 9456457
Nielsen TA, Laberge L, Paquet J, Tremblay RE, Vitaro F, Montplaisir J.Nielsen TA, et al.Sleep. 2000 Sep 15;23(6):727-36.Sleep. 2000.PMID: 11007439Review.