Sleep Cycle works well for two persons sharing bed using microphone motion detection. When both you and a partner are connected on the same WifI, you will automatically link with each other, providing a much more accurate sleep analysis.
Sound decays exponentially with distance, this means that sounds generated by your partner will have a much lower volume than sounds generated by you. And when you are linked over WiFi Sleep Cycle will be able to locate from where the sound originates.
This feature is yet not available for Android users.
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