Read a super short article citing that sleeping more than 9 hours a day could cause a 44% increase in mortality vs sleeping 7 hours causing only 9%. They referred to a study but there is no source(s) and not enough information to believe it. If i want to learn more about this subject than a 200 word article, I need to go out of my way. When talking about beauty or personal opinion, I don't see a need for a source. However, I expect that if they refer to a study or another article, they can also cite the source. As a casual reader that isn't subscribed, I can't even complain directly to the company.