A new study found that eating five cups of fruits and vegetables per day led to less disrupted sleep at night. Here's why, and how to add more sleep-promoting foods to your diet.

The reverse is also true. A study published in Journal of Clinical Sleep Medicine found that diet has an effect on the quality and amount of sleep you get. Consume less fiber (whole grains, beans, ...

If you look at the sleep needs of a population, the distribution is shaped like a bell curve, with the vast majority of people falling in the middle between seven and nine hours, Dr. Bhanu Kolla ...