Even though setting the clocks back during winter leads to an extra hour of sleep, the added hour of darkness in the evening is harder to handle, according to a new study.
원문출처 : http://www.cnn.com/2016/11/04/health/fall-back-time-transition-depression/index.html
원문출처 : http://www.cnn.com/2016/11/04/health/fall-back-time-transition-depression/index.html