To better understand why some people develop the condition while others do not, researchers have worked together to identify ...

Thursday, Nov. 4 is National Cookie Day, meaning businesses are celebrating with freebies, exclusive discounts and more. How to score free treats.

Natural killer cells act as the immune system’s rapid-response team, but the stress of anxiety and insomnia may be quietly ...

Natural killer (NK) cells are the bodyguards of our immune system. As a first line of defense, they destroy invading ...

People with chronic insomnia could benefit from tai chi as an alternative to talking therapies, a study has suggested.

Older adults with a combination of insomnia and obstructive sleep apnea demonstrated worse sleep and verbal memory ...

There seem to be reciprocal links between certain groups of gut bacteria and the risk of insomnia, suggests a Mendelian randomization study, published in the open access journal General Psychiatry.

People with chronic insomnia show a delayed and weakened daily rhythm of mental activity, keeping the brain in a more alert, daytime-like state at night.

From Shah Rukh Khan to Hollywood celebrities, insomnia affects many stars. Experts explain why sleep problems happen and how they can be treated.