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The Apple Watch app uses heart rate and movement data to identify nightmares and responds...

Any amount of sleep deprivation is bad for your physical and mental health. Here's what...

Oprah wakes up between 6 and 6:20 without using an alarm. She's just one ultra-successful...

The five-time Ballon d'Or winner often eats breakfast, a snack, two lunches, and two...

People, especially women, who reported higher stress levels were more likely to have...

The preliminary study findings suggest the ideal midday nap is between 30 and 45 minutes...

Sleep paralysis is common, and rarely harmful, though it can be scary. Here's what you...