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.
Yeung WF, Chung KF, Yung KP, Ng TH.Yeung WF, et al. Among authors: yung kp.Sleep Med Rev. 2015 Feb;19:75-83. doi: 10.1016/j.smrv.2014.06.001. Epub 2014 Jun 19.Sleep Med Rev. 2015.PMID: 25047681Review.
Ng TH, Chung KF, Ho FY, Yeung WF, Yung KP, Lam TH.Ng TH, et al. Among authors: yung kp.Sleep Med Rev. 2015 Apr;20:46-58. doi: 10.1016/j.smrv.2014.06.006. Epub 2014 Jun 26.Sleep Med Rev. 2015.PMID: 25060968Review.