It's hard enough making it through your teen years in one piece - but having obstructive sleep apnea ( OSA ) can make that journey even tougher on adolescents.

Being afraid of the dark isn't just a childish phobia. Many adults suffer from this phobia, and it may be an underlying factor contributing to insomnia.

"Living against the clock," forced into a schedule because of a job or other responsibilities that conflicts with your natural internal clock, may be contributing to weight gain.

Too little sleep or too much poor quality sleep can hurt more than your energy levels - it can also hit your waistline. If you're not getting enough sleep, you may be trading Z's for pounds.

It's not just how much sleep you get that plays a part in your health - it's also when you sleep. An out-of-whack biological clock can mean poor health and higher risk of disease.

Obstructive sleep apnea - when a person doesn't breathe properly and consistently while asleep - has been linked to a long list of health issues. Add depression to that list.

Feeling confused and losing consciousness after a surgery is no light matter - it can cause health problems later on. But if it's related to a treatable condition, that's good news.

If you're feeling sleepy or irritable during the day, you may not be getting enough sleep. And not enough sleep could mean you're at higher risk for a range of heart problems.

Patients getting surgery for obstructive sleep apnea have less to fear. Complication rates from the surgery are low enough that time in the ICU appears unwarranted.

That midnight snack you're stealing while you're struggling to get back to sleep may satisfy late night hunger - but it may also be extra calories your body doesn't need.