Sleep deprivation can have serious effects on your health. Catching a cold is one of them. A study in the Archives of Internal Medicine suggests that people who have poor quality sleep are more likely to get sick after being exposed to a cold virus than those who sleep.

One-third of Americans are losing sleep over the state of the U.S. economy and other personal financial concerns, according to a new poll released today by the National Sleep Foundation (NSF). The poll suggests that inadequate sleep is associated with unhealthy lifestyles and negatively impacts health and safety.

Less sleep or sleeping too much can affect your health. U.S. researchers found sleeping less than six hours and more than eight hours linked to metabolic syndrome.

In healthy people, both sleepiness and vigilance show a relationship with core body temperature and skin temperature. When core body temperature is high during the daytime, skin temperature is low, which translates into optimal vigilance. Conversely, when core body temperature is low at night time, skin temperature is high, which correlates to optimal sleep.

The majority of patients with narcolepsy / cataplexy experience a number of symptoms of eating disorders, with an irresistible craving for food and binge eating as the most prominent features, according to a new study.

The U.S. Centers for Disease Control and Prevention reported that Americans are getting less and less sleep.

It has long been assumed that sleep deprivation can play havoc with our emotions.

Researchers from the University of Warwick, and University College London, have found that lack of sleep can more than double the risk of death from cardiovascular disease. However they have also found that point comes when too much sleep can also more than double the risk of death.

We’ve all experienced that occasional all-too-short night of sleep -- staying out too late at a party on a weeknight, studying into the wee hours for a morning exam or being kept up during the night with a sick child. Our bodies try to catch up by making us sleep more and/or more deeply the following night.

Sleep disorders are common, costly and treatable, but often remain undiagnosed and untreated. Unrecognized sleep disorders adversely affect personal health and may lead to chronic sleep loss, which, in turn, increases the risk of accidents and injuries. These problems are exacerbated in shift workers such as police officers, who may experience chronic sleep loss due to their schedules.

Slow wave activity (SWA), a stable trait dependent marker of the intensity of non-rapid eye movement (NREM) sleep, is lower in young healthy African-Americans compared to Caucasians who were matched for age, gender and body weight, according to a research abstract that will be presented Tuesday at SLEEP 2007, the 21st Annual Meeting of the Associated Professional Sleep Societies (APSS).

Sleep loss or disturbed sleep can heighten the risk for adolescents to take up smoking and drinking, two habits that may prove to be detrimental to their health, according to a research abstract that will be presented Tuesday at SLEEP 2007, the 21st Annual Meeting of the Associated Professional Sleep Societies (APSS).