We all know how important sleep is for our health. Yet, no matter how hard we try, there are nights when we just can't seem to quiet our minds and catch those elusive zzz's.
Although there are myriad reasons why we have trouble falling asleep, the use of technology—cellphones, TVs, and computers—is notoriously detrimental to our sleep. The bright screens reduce melatonin (the hormone that controls your sleep cycle) and keep you feeling alert instead of sleepy.
Ironically, however, these same devices can also be used to help us fall asleep. And although there are plenty of expensive gizmos and gadgets available to help induce sleep, the tools listed below are free, easy to use, and easily accessible on your smartphone.