Lack of sleep could contribute to mental health problems, researchers reveal https://www.theguardian.com/society/2017/sep/06/lack-of-sleep-could-contribute-to-mental-health-problems-researchers-reveal?CMP=Share_iOSApp_Other
Please follow the link to the lancet article featured:http://www.thelancet.com/journals/lanpsy/article/PIIS2215-0366(17)30328-0/fulltext