Are there any applications that can help reduce wear and tear on the Power button?
The above symptom may occur on the following systems:
There are widgets available that will lock your device, reducing the need for you to press the Power button so as to switch your device off.
Examples of this include: Powerful Switchman, Beautiful Widgets, HD Widgets
Once you have sourced for one of these in the App store you can add it as a widget and enable the Lock feature. To activate, press on the Lock icon and it will switch off your device, and can also function as a power switch.