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The Zeo Sleep Monitor can measure your sleep patterns and enable you to improve your sleep quality. Sleep is a critical part of life, especially for an athlete and many of us do not get enough<ref name="SleepCDC"/>. I've found the Zeo to be an effective tool for improving my sleep, and the best of the sleep monitors, but sadly [http://www.wired.com/business/2013/03/lights-out-for-zeo/ Zeo is out of business]. However, you can still [http://www.amazon.com/Zeo-ZEO301-Sleep-Manager-Pro/dp/B008I20LJ2 buy the Zeo], though it's not clear for how long.