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Poor Sleep Linked to PTSD after Heart Attack

Clinicians have long speculated that poor sleep may be a mechanism involved in the higher risk of further cardiac events or death among those with post-traumatic stress disorder following a heart attack, but the association between PTSD and sleep after a heart event has been unknown.

Study Links Diabetes Risk to Melatonin Levels

Low nocturnal melatonin secretion levels are associated with an increased risk of developing type 2 diabetes

Now, new research from Brigham and Women's Hospital (BWH) finds that the amount of melatonin a person secretes during sleep may predict their risk of developing type 2 diabetes. 

Sleep Loss Precedes Alzheimer's Symptoms

Sleep is disrupted in people who likely have early Alzheimer's disease but do not yet have the memory loss or other cognitive problems characteristic of full-blown disease, researchers at Washington University School of Medicine in St. Louis report March 11 in JAMA Neurology.

Sleep deprivation effect on the immune system mirrors physical stress

Study looks at white blood cell counts following 29 hours of continual wakefulness

Severe sleep loss jolts the immune system into action, reflecting the same type of immediate response shown during exposure to stress, a new study reports.

Sleep Apnea Associated with Higher Mortality from Cancer

Sleep-disordered breathing (SDB), commonly known as sleep apnea, is associated with an increased risk of cancer mortality, according to a new study.

CDC Study Shows Association Between Depression and Sleep Apnea

Obstructive sleep apnea and other symptoms of OSA are associated with probable major depression, regardless of factors like weight, age, sex or race, according to a new study from the Centers for Disease Control and Prevention.

Sleep Apnea Treatment May Protect Against Heart Failure

A nightly breathing treatment may do more than help people with obstructive sleep apnea get a good night’s rest — it may also help prevent heart failure.

People with Parkinson's Disease More Likely to Have Leg Restlessness than Restless Legs Syndrome

People with Parkinson's disease may be more likely to have a movement disorder called leg motor restlessness, but not true restless legs syndrome as previous studies have suggested, according to a study published in the medical journal of the American Academy of Neurology.

Possible Link Between Sleep Apnea and Erectile Dysfunction

A new study suggests that men with erectile dysfunction (ED) should be screened for obstructive sleep apnea (OSA). After adjusting for age and other health conditions, patients with ED were more than twice as likely to have sleep apnea than their normal counterparts.

Sleep Apnea Linked to Heart Disease

A new study found that obstructive sleep apnea is linked to an increased risk of heart failure and coronary heart disease in middle-aged and older men.

"Men with severe obstructive sleep apnea were 58 percent more likely to develop new congestive heart failure over eight years of follow up compared to men without sleep apnea," says Daniel Gottlieb, study author and associate professor at Boston University's School of Medicine. Researchers monitored 1,927 men and 2,495 women over 40 years of age.

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