6 clues in the search for the holy grail of great sleep...and more

I don't think I've ever met a woman over the age of 40 who isn't interested in better sleep--going to sleep, getting back to sleep, or just lusting for the illusive glory of feeling fully refreshed.

Click for a new, comprehensive article, gifted in hopes you don’t hit a paywall. If you do come to a dollar-demanding stop, here’s a quick overview with links to studies quoted in the article. Also see links to a couple other good studies, below.

• Caffeine affects sleep differently based on dosage and timing—and the info is surprising. Check this recent s…