For some reason, over the past few days, when I put my SD card back in my Zeo Bedside device, it tells me the SD card is write-protected. No, the write protect tab on the side of the SD card is not set to "lock." I did not notice it when I put the card back in on the first day, but it seems to have happened each day since (I am about a week in). I pop it in and out and on the third try, it does not complain about the SD card being write-protected. Am I missing something?

After the first day, I started using my own flash card reader instead of the one included with the Sleep Manager. That does not make a difference, does it? I am believe that is the only atypical thing I am doing.

So far I have not had any trouble with the SD card recording the data, though.