ScienceTracking down sleep disordersTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience08/04/2016August 4, 2016Dr. Dieter Kunz explains what happens in a sleep laboratory. The causes of sleep disorders can't often be found easily. But the specialists in a sleep lab have intriguing options for investigating them.https://p.dw.com/p/1JbpkAdvertisement