“If we follow middle-aged people into older age, those who sleep more at more consistent times from day-to-day have lower ...

A seemingly small question has shifted how scientists understand the relationship between the brain and the body.

For most of us, getting less than seven hours of sleep translates into grogginess, sluggish thinking, and an overwhelming ...

In the first three non-rapid eye movement (NREM) stages, your body temperature lowers and your heartbeat slows down. Sleeping in a cooler room can make entering this stage easier. When you enter rapid ...

Sleep is essential for well-being, and cortisol plays a key role in regulating alertness and the sleep-wake cycle.

Patients with mood disorders experience recurrences of depressive and manic episodes throughout their lives. In this regard, ...

Scientists have discovered that circadian rhythms—our internal clocks—play a major role in when and how much we eat. In a ...

Several lifestyle choices, like a poor diet, lack of exercise, excessive stress, dehydration and too much caffeine, can make ...

Sleep loss doesn't just leave you tired, it triggers biological changes that pack on pounds. Learn how getting proper rest ...

A doctor has revealed a mathematic formula that ensures you wake-up feeling ready for the day, after being 'obsessed with ...

It is almost time to spring forward, but Daylight Savings Time has more side effects than longer days and shorter nights. It ...

Puza says that a simple math formula can reveal your “ideal bedtime” so you wake up feeling your best — and it’s not just about hitting the sack earlier. “Does your nap feel more restful than a full ...