The fourth paragraph of the article links to an article titled, "Sleeping in on the weekends can compensate for lack of sleep during the week, study suggests."

The fourth paragraph of the article links to an article titled, "Sleeping in on the weekends can compensate for lack of sleep during the week, study suggests." (https://www.washingtonpost.com/news/speaking-of-science/wp/2018/05/23/people-who-sleep-in-on-weekends-avoid-dying-young-study-suggests/?utm_term=.283730348877 https://www.washingtonpost.com/news/speaking-of-science/wp/2...) That study tracked 38,000 people over 13 years. "People who slept for fewer than the recommended seven hours each weekday, but caught an extra hour or two on weekends, lived just as long as people who always slept seven hours, the authors reported."