The player wasn't in "sleep mode". Wondering something else now but this might be a stretch. I have been listening via a long cable (6-8 ft) from the headphone jack and the other end plugged into a DJ mixer. The player shut down again last night a couple of times and after only playing a couple of minutes. So, just for test purposes I unplugged the long cable and simply plugged into my headphones. It then played for several minutes without shutting off. So, my question: is it possible that the long cable from the headphone jack was putting strain on the player's output power, thus causing it to shut down?
I don't wanna work...I just wanna think up new playlists all day.