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A Watch That Senses You're Ready to Get Up (and Tells You So) Sleep specialists say it's more difficult to wake up from a period of deep sleep than from a light one. To improve on the traditional alarm clock - which, if it jolts you awake from a deep sleep, could leave you feeling drowsy during the day - an Atlanta company called Innovative Sleep Solutions has designed an alarm wristwatch called the Sleeptracker. Available at www.sleeptracker.com, the $149 watch, which resembles a Timex digital, houses a device called an accelerometer that monitors your sleep pattern to determine your most comfortable wake-up time. You set a window of time in which you would like the alarm to sound, and the watch wakes you during a light-sleep period within that time frame. According to the inventor, Lee Loree, it is possible to chart sleep cycles by recording the speed and frequency of your nighttime movements. The Sleeptracker stores and presents records of your sleep patterns so you can learn more about your tossing-and-turning habits. Because it beeps during a light-sleep state, its beeps are relatively quiet and unlikely to wake the rest of the household. A potential bonus is that an alarm that goes off early in your time window will give you a few extra minutes to get ready in the morning. Actually getting out of bed, of course, remains a personal challenge. ADAM BAER News Sourcehttp://www.nytimes.com
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