Sleep Cycle works well for two persons sharing bed using microphone motion detection. Sound decays exponentially with distance, this means that sounds generated by your partner will have a much lower volume than sounds generated by you. In addition to this, If both users use Sleep Cycle then the two devices will automatically connect to each other over Wi-Fi. Sleep Cycle can then detect where in bed a sound originates from with an accuracy of 30 cm (1 feet), translating the analysis into an extremely accurate sleep analysis for both users.
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