Dietitians have long promoted the health benefits of a diet rich in fish, vegetables, non-refined cereals, olive oil and even some red wine. A Mediterranean-based diet, while nutritionally healthy, may also ease problems of sleep apnea.

Bright light is often credited for arousing us and keeping us awake.  It is even known to have an antidepressant effect. But if light is responsible for arousing us, is darkness to blame for make us sleepy? 

Snoring is not only disruptive to a person's sleep - and his or her partner's as well. It is a sign of obstructive sleep apnea (OSA), a serious condition which can increase a person's risk of death.

For a pregnant woman, good sleep is important for both her own health and the development of her growing baby. Not getting enough quality sleep, especially in the first and third trimesters, increases a woman's risk for delivering her baby preterm.

Sleepless nights may be doing more than leaving you fatigued the next day. They might also be increasing your risk of suffering a heart attack.

The teenage years are the time of life where people need the most sleep. Sleeping less than eight hours per night makes teens tired, more prone to sickness, and have difficulty concentrating.

Most people know the feeling; when the alarm clock goes off in the morning, you somehow feel tired even though you went to bed at a reasonable hour and feel like you got enough sleep.

It's an often amusing characterization of teenagers, that they stay up late and don't get enough sleep.

Could a good night's sleep be a key to reducing the risk of developing Alzheimer's disease? It's still speculation, but a link between sleep and the rise and fall of a marker for the disease have given scientists hope.