By Cody Rine For the most part, people all over Chicagoland will be sleeping soundly minutes after hitting the sack. However, there will be some who toss and turn for hours, spending the whole night counting stars and sheep. It's important to quickly get this kind of thing tested through Chicago Sleep Medicine Centers to find out why. Every center has its own battery of tests to determine what kind of disorder is troubling a patient. This includes sleeping tests as well as other neurodiagnostic techniques. The center may suggest one or more options based on a description of the problem provided by a patient. The body's natural sleeping patterns and rhythms get disrupted due to factors ranging from lifestyle changes and diet to medical issues. Conditions such as insomnia, sleep apnea and snoring can be resolved through medication and/or minor surgical procedures. The same applies for people at the other end of the spectrum suffering from circadian rhythm disorders, narcolepsy an