Soothing Music and Stress-Free Alarm Tones■ When going to bed, you can pick from 10 original tracks to help you enjoy a restful sleep. This music has a calming effect and helps induce a pleasant night's rest. You can also choose from 10 original alarm tones. We have provided relaxing, stress-free tones that will make waking up a pleasure. (High energy alarms are also included, should you need them!) ■Use graphs to check your sleep progress!■ Each day, you can check how light or deep your sleep was and how many hours of sleep you got. You can then share your sleep graph through Twitter, Facebook or e-mail. ---------------------------------------------- ◆Compatible OS iOS 6.0 or higher [Usage Precautions] ・Do not push the home or lock button and terminate the application when using the alarm. ・Always connect your charger to your phone when using the alarm. ・If the app does not accurately measure your sleep data, try adjusting the position of your phone. ※If you have any questions, please feel free to contact us at [email protected]. ※Please be aware that we cannot reply to reviews written in the review section. ---------------------------------------------- All of us on the ZeroApp team thank you for using our app!!