Drinking two cups of coffee a day might affect sleep years later

[vixen99]

http://www.dailymail.co.uk/health/article-6049461/Drinking-two-cups-coffee-day-leave-struggling-sleep-years-later-study-shows.html

[eberkund]

Even the article doesn't suggest some long lasting effect on your brain years later because the older people they surveyed were still drinking coffee so it's quite different than if they used to drink coffee for most of their life but then quit.

[vixen99]

Perhaps someone can quote detail from the actual paper from the journal 'Sleep'.