The beeps, the zooms, the revs, the lumbering semis… Living near a busy highway often means little peace and quiet. But constant annoying traffic noise can affect health too.

The big test is tomorrow. Time for an all-nighter of cramming so you can be sure to ace it right? Wrong.

So you figure you got 8 to 9 hours of sleep, so you're good - even if it's spread out a bit with a nap, right? Wrong. Because of your circadian rhythms, all sleep may not be equal.

A mobile phone can feel so important to your life that it's an extension of your body. But taking a break from your phone may help your mental health.

If you're not getting enough good quality sleep, it's not just your energy that might be lagging. Your immune system likely isn't holding up well to stress either.

Getting older doesn't necessarily mean sleeping worse. In fact, folks in their 80s report having the best sleep - better than those in their 20s and 30s .

If menopause is keeping you up at night, consider using part of your days for yoga sequences that a study has shown will help reduce that insomnia.

As if police officers did not already face enough dangers on the job, they can now add one more hazard to the list: a high incidence of sleep disorders.