If you're one of the millions who don't get enough sleep, you could be at risk for dementia later in life.
원문출처 : http://www.cnn.com/2017/07/05/health/alzheimers-sleep-dementia-study/index.html
원문출처 : http://www.cnn.com/2017/07/05/health/alzheimers-sleep-dementia-study/index.html