BitmedLab software is the interface between the sleep study systems (Bitmed Screen&Go, Bitmed Sleep&Go, Bitmed eXea PSG) and the user via a PC. It consists of two different modules that vary depending on systems they support and functionalities they offer. The SleepLab module is to be used with the screening systems, Screen&Go and Sleep&Go polygraphs. The SleepLab Pro is the specialized module for the study of sleep disorders with the eXea system. Users can select items and print all results at the end of the test. The start and end of the test can quickly and easily be set from the PC. With either the keyboard or mouse, users have the option to mark multiple events and insert notes anytime.