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The sleep cycle app is an app that keeps track of what stage of sleep you are in, and wakes you up to calm relaxing sounds at the ideal point in your sleep cycle so you feel as refreshed as possible. Waking up during a point in your sleep cycle when you are in a deep sleep will always lead to a groggy morning. This app uses the built in accelerometer in your iPhone to sense how much you are moving in your sleep, and wakes you up when you are at the point in your sleep cycle that is considered not a deep sleep. The design of this app is very simple, clear, and easy to use. The purpose of this app is very clear, and is human centered. There are few things going on on the home screen, just a box to select your desire wake up time, and a start button. On the statistics page there are easy-to-read graphs, and numbers regarding your sleep quality. Overall everything that this app has built into it is necessary, it is organized into four simple tabs, and is an extremely obvious design.
One thing to think about James is that obvious design states the obvious. Looking at the App, I'm not sure what is obvious about its design other than setting a time and hitting start. If I were just to give it to somebody and ask them what they think it does, would they get it? I think the small text giving instructions helps, but without a description of its purpose, the design may not be as obvious. Just something to think about.
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