Some sleep problems are obvious. If you wake up  in the bed all night or every hour , then your sleep is obviously a problem. But sometimes, sleep quality problems are not so obvious. And until now, there is no official index to define in the end what is "good sleep."There is  good news . Last month the National Sleep Association in the "sleep health" journals published a "sleep quality recommendations". Which is the history of the first more stringent recommendations on the quality of sleep indicators. These guidelines were developed by a medical expert committee on 277 related studies. We can use it to give some standards and test their own sleep quality. Associate Professor of Psychiatry at the University of Pennsylvania, sleep [...]