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.
Martínez-Rodríguez JE, Sabater L, Graus F, Iranzo A, Santamaria J.Martínez-Rodríguez JE, et al. Among authors: sabater l.Sleep. 2007 Jan;30(1):27-8. doi: 10.1093/sleep/30.1.27.Sleep. 2007.PMID: 17310861