When you feel tired but you can't sleep, just try this awesome app for your good night!
It makes you sleep very comfortable. It's not magic, but and you ain't gonna believe this.
It counts your sleep time but you can't notice this cause' you're already in deep sleep.
It has 4 languages, Korean, English, Japanese, Chinese.
It has 3 modes for your sleep style.
You can send an photo-email with 'Sleeping U'.