In the largest real-world study of its kind, a link has been found between better sleep and menstrual cycle regularity.

Too much variation in your bedtime, wake-up time, and sleep duration may increase your heart disease risk, according to one study. Researchers found that people with the greatest irregularities in ...

Recent large-scale studies highlight a powerful connection between sleep patterns and biological aging, showing that poor ...

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 ...

Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), have found that insufficient weekday sleep significantly disrupts glucose metabolism even when ...

A new study to be presented at the SLEEP 2026 annual meeting found that irregular sleep - including variability in sleep timing and duration - was associated with lower receptive vocabulary and ...

Maintaining a consistent sleep routine that consists of going to bed at the same time every night and waking up at the same time every morning can go far towards supporting your overall health. Now, ...