Irregular sleep, including later sleep timing and poor continuity, was associated with increased risk for metabolic syndrome among Black adults.

Sleep patterns are significantly influenced by the day of the week, the season, and geographic locations, according to a ...

So if your brain wakes up when you’re in REM sleep, your body is lagging behind. That means you could become mentally awake ...

The study finds that sleep is shaped not just by personal habits, but by environmental factors like daylight, temperature, ...

Always feeling tired even after enough sleep? These 8 surprising reasons, from vitamin deficiencies to thyroid issues, could ...

But there's a catch: napping too long may result in waking up feeling worse than before. This is due to "sleep inertia" – the grogginess and disorientation that comes from waking up during deeper ...

A study of 86,565 adults finds a connection between daytime napping habits and mortality risk over an eight-year period, ...

Inconsistent sleep in early pregnancy may predict preterm birth. New research shows wearable data could help doctors detect ...

From subtle shifts in sunlight to social schedules, a new global study reveals the surprising ways our environment shapes when — and how well — we sleep.

In his book, ‘Super Agers,’ cardiologist Dr. Eric Topol argues that we now have the tools to age better than our predecessors ...