Everyone knows how important sleep is, especially after a long night of tossing and turning. What you may not know is that lack of sleep can be damaging to your health over time. If you're suffering from one of several sleep disorders, it can have a significant effect on your overall health and quality of life. The American Psychiatric Association detailed some of the effects of not getting enough sleep, including irritability, mood changes, disinhibition and fatigue. Continuing to go without sleep can worsen these symptoms. Click here to learn more about sleep disorders and what to look for.