@aaronpk Garmin Vivofit?
@aaronpk I use AutoSleep and it detects sleep/wake times and gives a good amount of data on the sleep. Perhaps you've already considered that.
@aaronpk Gotcha, yea, it would be nice to have that as a first party feature.
@aaronpk If that's your only criteria, then sure, but seems a small compromise, all things considered :)