WakeMate here, too. Trying to sell it off, though. Kind of disappointed, really: a) I had to send if off to the refurb. center after about two months of use (a

WakeMate here, too. Trying to sell it off, though. Kind of disappointed, really: a) I had to send if off to the refurb. center after about two months of use (and pay my own shipping). b) I haven't seen much progress in the app except stability increases. With all that raw data, I can imagine tons of fun features, particularly social applications. c) Their website's claim, "You pick the factors and Wakelytics shows how they affect your sleep," translates to "You tag your nights and we let you sort by those tags." This is typical of the lackluster analysis-web app that your sleep data gets uploaded to. d) The app self-admittedly cannot analyze sleep periods of less than 3-4 hours, and in reality considers anything less than 5-6 hours too short to recognize or record. (There is no mention of this shortcoming/limitation anywhere on their website.) This makes it pretty much useless for polyphasic sleep. Or naps of any kind. No big deal, though. $60 is not that much money. It's a nice effort, and a good idea, but just not a very satisfying execution.