By Jennifer Abbasi Sleepless nights aren't a modern invention. But modern life is making them increasingly common. Instead of winding down and re...

Before you ever learned about keeping your bedroom dark, cool, quiet and gadget-free, chances are someone (Hi, Mom!) told you some of their own theori...

We have a greater chance to achieve our highest potential -- including getting a fantastic night's sleep -- when our "chi," or human life force energy, is in balance and harmony with the energies of the earth.

As of this morning, we've emerged victorious from what some experts consider the biggest test of American women's sleep habits: that 48-hour health menace known as the weekend.

Here is my existential question for you, dear readers: Would you cut short a fun night to avoid paying the groggy-headed price the next day, or do you embrace the moment knowing that perfection isn't always worth it?

As a couples therapist I've observed that when a couple is angry at each other, one partner often deals with it by avoidance and falls asleep while the other glares, sometimes feeling the urge to smack 'em.

After finally reaching my goal of getting eight hours of sleep a night, I was surprised to discover that the exercise-sleep connection is a two-way street: getting enough sleep also helps you exercise better. READ MORE Sleep Challenge 2010: I Fall Off the Wagon (with a Push from Zorba the Greek) WATCH: Arianna and Cindi Leive Explain Sleep Challenge 2010 to Joy Behar HuffPost Turns Over the Top of Every Section to All the Ways We Can Help in Haiti Tucker Carlson Launches "The Right's Answer to HuffPost" - Why I Wish Him Nothing But the Best WATCH: Arianna Talks Geithner and Midterm Elections with Dylan Ratigan WATCH: Arianna on How Pat Robertson Gives Religion a Bad Name