A long-term study found that adults with irregular sleep timing and fewer than eight hours of rest per night faced about twice the risk of major cardiac events compared to those with regular bedtimes.

Inside every muscle cell, there’s a clock. Not the kind that ticks on your wall or buzzes on your wrist, but a natural timekeeping system that helps your body stay in rhythm. This clock controls when ...

Poor sleep isn’t just about not getting enough hours. It’s also about when you sleep, how regular your schedule is, and whether your rest gets interrupted. And according to new research from 88,461 ...

New research shows sleep patterns and disruptions may signal risks of diseases like cancer, dementia and heart conditions ...

A long-term study found that adults with irregular bedtimes and fewer than eight hours of sleep faced twice the risk of heart ...

An irregular bedtime in midlife may signal an increased risk of cardiovascular disease. A new study from the University of Oulu suggests that large swings in when people go to bed could double the ...

Experts agree that seven to nine hours of sleep is ideal for most adults — but when it comes to your health, the total number of hours might not be the most important factor. In a major new study led ...

A large study of 88,461 UK adults linked six objective sleep traits — including bedtime regularity — with 172 diseases. Sleep‑timing consistency and rhythm stability had stronger ties to disease risk ...

June 14 -- FRIDAY, June 13 (HealthDay News) -- Having delayed sleep phase syndrome (DSPS) appears to be linked to irregular menstrual cycles and increased premenstrual symptoms in women, according to ...

If you’ve ever been frustrated by your baby’s irregular sleep patterns, take heart. A new study suggests that erratic bursts of sleep may correspond to growth spurts. The study’s lead author, Michelle ...

Late nights, alcohol, and smoking on weekends may be doing more than disrupting your Monday mornings, they could be triggering a newly identified sleep health concern known as 'social apnea', warn ...