Sound Sleep 1.0 - has several features.  First, you can configure your Newton so

it will wake up your with a simple pen tap on the screen. Second, Sound Sleep allows you to  open up and edit sound notes quickly and easily. The sound notes are obtainable either via a floating button, an extras drawer button, or a sequence of turning on and off your Newton. These sound notes are added to the built in notepad, but can always be accessed via Sound Sleep by tapping on the overview button. Requires NOS 2.x.