I have got to say that my sleep is always best when I’ve got a cool pillow to rest my head on. Nothing starts your day off better than getting a good night's sleep. And, since getting a full night’s sleep is essential to overall health, finding the right pillow can help. "Pillows can not only impact the quality of our sleep, but also how healthfully we rest and recharge," says sleep expert Michael Breus, PhD, a clinical psychologist and author of ‘Beauty Sleep: Look Younger, Lose Weight, and Feel Great Through Better Sleep.’ Just as a good pillow can help your health, using the wrong one can make you miserable. A bad pillow won't be the cause of any of these problems, but using the incorrect pillow can worsen headaches, neck pain, shoulder and arm numbness, discomfort, and induce sneezing, and wheezing. All of which can keep you from getting a good night's rest. Don’t forget that if your pillow is old, it is more than likely overflowing with dead skin cel...