Following my cortisol blood test, I've spoken with several doctors to better understand my "high cortisol" results and answer ...

You may have heard of the 4-month sleep regression, which can start around this time and make you feel like you’re back in ...

We all know that sleep duration impacts a variety of health outcomes, including longevity. But research shows sleep ...

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In his book “Why We Sleep,” sleep scientist Matthew Walker, PhD points out that from a purely evolutionary point of view ...

The Sun-Times sent a reporter and photographer on the first run of the Floridian from Chicago to Miami — on one condition. We ...

Experts say short naps don't interfere with nighttime sleep, as long as they're not too late in the day. Aim for taking a nap around 6 or 7 hours after waking up, and try to nap at the same time every ...

There are many reasons someone may get sick frequently, from your environment and lifestyle to genetics and underlying ...

If you feel a cold coming on, the best way to support your immune system and symptoms is to hydrate and rest. Learn what ...

You’ve probably heard the widely-held belief that everyone needs eight hours of sleep a night for optimal health. But does this one-size-fits-all rule actually apply to everyone? Sleep is ...

When clocks "fall back" at the end of daylight saving time, people gain one hour of sleep. On Sunday, for example, falling asleep at 10 p.m., will really be like falling asleep at 9 p.m., once clocks ...