Requires iOS 7
If you are not a very strong self-control, and always indulged phone forget the time, leading to not sleep on time, it is recommended that you use the Tweak to start the sleep mode, forced to disable the phone.
In the time period you set, the Tweak automatically according to your settings on / off 'switch', and at the end of time to recover.
In the time period you set, all buttons will fail, and at the end of time to recover.
Because the device goes to sleep, so need wake device manually or through the message (for example: Phone Calls, SMS, APP Notification, Alarm, etc.).
In order for you not to miss a call, SMS , etc, the device can accept messages (non-airplane mode)
Configure options from Settings.
See larger Screenshots below..