Marginally ok

I switched to this app after another one I was using got too obnoxious with ads. This one is starting to get obnoxious about ads and nags, too. Timing an ad or upgrade nag to pop up when trying to shut off the sleep timer or alarm, before my eyes are functional enough to even focus on the screen, is almost a deal breaker. Also, the sleep debt calculator is fubar. If you try to take a nap that is less than 8 hours, even if the nap is in addition to regular daily sleep, it ADDS to your sleep debt, rather than subtracting.

amlcf about Sleepzy - Sleep Cycle Tracker