I am a retired and active 73-year-old who plays tennis and regularly goes to the gym. I often take long naps and sleep for 2 ...

Improving sleep quality involves more than just finding the right position. Simple changes to your sleep environment, habits, ...

Steph Curry's Thirty Ink generated $174 million in revenue last year, and all of its businesses are profitable, company says ...

When you don't get enough sleep, your whole body can feel off. In college, I tried to fit everything into my schedule, including staying up late to study and waking up early to train for a marathon.

Research has indicated that nocturnal creatures face an increased risk of diabetes, mental health troubles and even premature ...