Sleep Disorder News and Research

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A sleep disorder (somnipathy) is a medical disorder of the sleep patterns of a person or animal. Some sleep disorders are serious enough to interfere with normal physical, mental and emotional functioning. A test commonly ordered for some sleep disorders is the polysomnogram.

Why we sleep - roundworm C. elegans unlocks sleep mysteries

The roundworm C. elegans, a staple of laboratory research, may be key in unlocking one of the central biological mysteries: why we sleep.

15 Jan 2008

New Sleep and Breathing Disorders Center at UT Southwestern

UT Southwestern Medical Center has assembled a comprehensive team of experts in pulmonary medicine, neurology, psychiatry, pediatrics, otolaryngology, surgery and rehabilitation medicine to work together in a new Sleep and Breathing Disorders Center.

10 Jan 2008

Researchers establish risk factors for Parkinson's disease

Doctors know an impaired sense of smell is an early indicator of Parkinson's Disease.

8 Jan 2008

Effects of sleep deprivation reversed

Researchers at Wake Forest University School of Medicine have shown that the effects of sleep deprivation on cognitive performance can be reversed when the naturally occurring brain peptide, orexin-A, is administered in monkeys.

3 Jan 2008

Undiagnosed OSA patients have altered cardiovascular responses during exercise recovery

A study published in the January 1 issue of the journal SLEEP finds that people with untreated obstructive sleep apnea (OSA) have altered cardiovascular responses during recovery from maximal exercise.

2 Jan 2008

Children's sleep duration influences weight, behavior

The duration of a child's sleep can vary, depending on the time of day, week and year.

2 Jan 2008

Preschoolers' nightmares less prevalent, are trait-like and associated with personality

Bad dreams in pre-schoolers are less prevalent than thought. However, when they do exist, nightmares are trait-like in nature and associated with personality characteristics measured as early as five months, according to a study published in the January 1 issue of the journal SLEEP.

2 Jan 2008

Catathrenia, or sleep related groaning can be successfully treated with CPAP

Catathrenia, or sleep related groaning, is an uncommon feature of a sleep-related breathing disorder that can be successfully treated with continuous positive airway pressure (CPAP), according to a study published in the January 1 issue of the journal SLEEP.

2 Jan 2008

Deep sleep maintains normal glucose control

Suppression of slow-wave sleep in healthy young adults significantly decreases their ability to regulate blood-sugar levels and increases the risk of type 2 diabetes, report researchers at the University of Chicago Medical Center in the "Early Edition" of the Proceedings of the National Academy of Science, available online as soon as Dec. 31, 2007.

2 Jan 2008

Children short of sleep three times as likely to be obese

According to new research by scientists in New Zealand children who do not get enough sleep face an increased risk of obesity and behavioral problems.

2 Jan 2008

Sleep + exercise + diet = good health for obstructive sleep apnea patients

Research has shown a strong relationship between weight and obstructive sleep apnea (OSA). Your neck gets thicker as you gain weight.

17 Dec 2007

Researchers find genetic switch for internal body clock

University of California, Irvine researchers have identified the chemical switch that triggers the genetic mechanism regulating our internal body clock.

13 Dec 2007

New psychiatric medication treatment guidelines for preschoolers

The number of preschool-age children being treated with stimulants, antidepressants and other psychiatric drugs is on the rise, despite limited research and a lack of clinical practice guidelines.

4 Dec 2007

Study shows that consistently sleeping seven or eight hours per night is optimal for health

A study published in the December 1 issue of the journal SLEEP is the first to show that both a decrease and an increase in sleep duration are associated with an elevated risk of mortality by cardiovascular and non-cardiovascular means, respectively.

3 Dec 2007

Practice parameters discuss treatment for narcolepsy, other hypersomnias of central origin

Practice parameters published in the December 1 issue of the journal SLEEP serve as both an update of previous practice parameters for the therapy of narcolepsy and as the first practice parameters to address treatment of other hypersomnias of central origin, including idiopathic hypersomnia, recurrent hypersomnia and hypersomnia due to medical condition.

3 Dec 2007

Study looks at sleep deprived nurses and driving

Hospital staff nurses who work extended hours, work at night, struggle to remain awake at work, or obtain less sleep are more likely to experience a drowsy driving episode, according to a study published in the December 1 issue of the journal SLEEP.

3 Dec 2007

Not enough sleep raises the risk for diabetes

The most common factors believed to contribute to diabetes are a decreased amount of physical activity and access to highly palatable processed foods.

3 Dec 2007

Napping more efficient than coffee in keeping young people awake

Coffee is an effective countermeasure to sleepiness for both young and middle-aged people.

3 Dec 2007

Altered sex hormone levels, higher body temp affects sleep quality in postmenopausal women

In an examination of potential relationships between objective sleep measures, nocturnal sex hormone levels, and the nocturnal course of body temperature of older postmenopausal women, a study published in the December 1, 2007 issue of the journal SLEEP finds that altered levels of both sex hormones and gonadotropins may contribute to sleep disturbance in older postmenopausal women and confirm the results of previous studies indicating that higher body temperature is associated with poorer sleep quality.

2 Dec 2007

Weight-loss drug doubles the risk of depression and anxiety

A weight loss pill which was initially hailed as some kind of wonder drug is now thought to more than double the risk of depression, anxiety and suicidal thoughts.

19 Nov 2007