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Sleepman is a wristband device that aims to enhance user's quality of sleep and detect drowsiness thanks to built-in heart rate and electrodermal activity sensors.The device tracks the user's sleepy cycles and wakes them up at the desired time when they are in the stage of light sleep.<ref>https://sleepman.com/sleep-optimization/#alarm</ref> It also helps with short naps by waking the user just before he enters deeper stages of sleep.<ref>https://sleepman.com/sleep-optimization/#powernap</ref> A gel pad electrode can be connected to the device. The user then attaches the pad to their palm and the device sends electrical impulses during the night.<ref>https://sleepman.com/sleep-optimization/#SleepEnhancer</ref> The company claims this will increase the amount of deep sleep the wearer experiences up to 40% of their total sleep time. Sleepman can also prevent car accidents by detecting early fatigue and drowsiness and alarm the driver to take a rest.<ref>https://sleepman.com/doze-off-alert/</ref> The device can ehance  The device can also function as a fitness and wellness tracker when paired with a smartphone with the Sleepman app installed.<ref>https://sleepman.com/wellness-tracker/</ref>