Sleep is so incredibly important. No one really understands sleep and how it works, exactly, but it is well established that it is important. Check out this post from the Department of Health and Human Services about sleep's importance and then be sure to get your 8-hours (and for your kids 10+ hours) of sleep tonight!
http://www.hhs.gov/blog/2014/12/29/why-sleep-important.html?utm_campaign=122914_hhs_blog_sleep&utm_medium=email&utm_source=hhs_blog_updates&utm_content=122914_hhs_blog_sleep_titlelink
http://www.hhs.gov/blog/2014/12/29/why-sleep-important.html?utm_campaign=122914_hhs_blog_sleep&utm_medium=email&utm_source=hhs_blog_updates&utm_content=122914_hhs_blog_sleep_titlelink