Ah, silly me, let me share the solution ... I was watching Netflix on my laptop last night and had screen fully expanded (F11). I didn't reset screen, so this morning, SleepyHead was in full screen mode cutting off the top window border and the resize and "X". I don't know why the program didn't rec...

I've been importing my CPAP data daily for almost 3 months now without difficulty. The program seems to require reloading from time to time when switching displays, but no big deal. But today, the program hangs and I cannot exit. I can switch displays and see some anomalies. Data displayed looks goo...