It appears we will have to wait until May 3 to see how Iron Man conquers his insomnia -- which I'm guessing will have something to do with Tony simplifying his life. Fortunately, you don't have to wait that long to address your sleeping hindrances.

People with delayed sleep phase feel sleepy much later in the night and need to sleep in to get sufficient sleep. As a result, they often suffer the effects of chronic lack of sleep, since most people have commitmernts to fulfill -- such as being in school or at work -- in the morning.

By Shelby Freedman Harris, Psy.D. for YouBeauty.com Do you think of yourself as a "night owl," keeping to a different sleep schedule than your frie...

Delayed sleep phase disorder is a common sleep disorder that usually affects teenagers. We scoured the Web to find answers to some frequently asked qu...

Delayed sleep phase disorder is a common sleep disorder that usually affects teenagers. We spoke to Shelby Harris, Psy.D., director of the Behavioral ...