At least 70 million people in the U.S. suffer from a sleep disorder, according to the American Academy of Sleep Medicine. If you find it hard to fall asleep or regularly awaken in the middle of the night, you may suffer from insomnia. Insomniacs are all too familiar with the negative impact it has on their daytime functioning. Inadequate sleep can take a toll on energy levels, increase irritability and cause a decline in work performance, notes the University of Maryland Medical Center. While sleep medications may be beneficial in cases of chronic sleep deprivation, a few simple alterations in your routine and lifestyle may be enough to induce a restful night's sleep.

Set a Sleep Schedule and Stick with It

Keeping a regular bedtime and wake time can is very important to good sleep hygiene. Your body is a creature of habit and grows accustomed to falling asleep at a more or less fixed time, notes the University of Maryland Medical Center.