a breathing disorder but we also take the flow of your breathing with this that goes into your to your nose and right into the machine and so we can see do you have sleep apnea very important to find out and which is a very dangerous course for sleep disturbances sleep apnea isn't it exactly because . you don't feel rested when you know oxygen level goes down when years have sleep apnea you have these arousals at night they stress your home your whole body you suffer from hypertension high blood pressure and you feel not rested when you wake up and that can even lead to depression and you do all this testing at the comfort of the home of the patient and looked exactly the sleep lab exactly because i believe in that when you test people at home you test them in their own environment their natural environment and how do you help patients who do it just this proves that they can sleep better it always depends on what is really the cause and the