Here's Bad News for Night Owls

A later bedtime could have a serious effect on your health.

This is What Caffeine Does to Night Owls

When you have a late-night brew, your body gets really confused. 

A Simple Trick for Preventing the Common Cold

And hopefully, you're already doing it.

The Heart-Healthy Reason You Should Embrace a Midday Nap

Catching a few Zzs during the day could lead to lower blood pressure.

Can You Catch Up on Sleep?

It isn't as easy as you think. 

A Compelling Reason to Start School Later (Finally!)

Teenagers aren’t the only ones who want to sleep in (and why they might be on to something).

Here's Why You Feel So Tired After Completing a Major Project

Math problems and marathons have a similar effect on our brains.

How the Mattress You Sleep on Affects Your Beauty

What you eat, when you hit the sack and physical activity can all play a part in securing beauty sleep, but so can your mattress.

This Is Why You Can't Fall Asleep in the Summer

And expert-approved advice to rest well, anyway.

The Surprising Consequence of Not Getting Enough Sleep 

Bad news for anyone who's not catching enough Zzs.

Here's What Happens to Your Brain When You Lose Sleep

Feeling tired is just one tiny part of it.