New research reveals that sleep deprivation sends aberrant signals through the vagus nerve, triggering a serotonin surge that can kill gut stem cells.

In a recently published Journal of the American Heart Association study, of nearly 1 million post-9/11 U.S. veterans, researchers found that adults with both insomnia and obstructive sleep apnea face ...

Sleep isn’t just rest — it’s one of the most powerful tools your body has for healing, brain function, mood regulation, and ...

Chronic insomnia is no longer a personal problem but a widespread phenomenon. New medical guidelines are changing the way ...

Even a single night of sleep trouble can feel distressing and lonely. You toss and turn, stare at the ceiling, and wonder how you’ll cope tomorrow. No wonder many people start to worry they’ve ...

ROANOKE, Va. (WDBJ) - Women over 50 across the country report the same frustrating pattern: falling asleep without trouble, only to find themselves wide awake at 3 a.m., staring at the ceiling.

Medically reviewed by Jane Kim, MD Key Takeaways Untreated OSA can impair focus, memory, and reaction time, making work tasks ...

Past age 50, men are much more likely to have REM sleep behavior disorder than women. Jose Luis Pelaez/Stone via Getty Images Every night, you go through four to five sleep cycles. Each cycle, lasting ...

Insomnia is the most common sleep disorder and is one of the most common symptoms reported by patients with both medical and psychiatric illnesses. Population-based estimates indicate that about 33% ...