Measuring Sleep Stages Using Mobile Phone Sensors

Delightroom, the operator of the alarm application 'Alarmi,' announced on the 1st that it has launched a sleep analysis feature.


Sleep analysis feature of 'Alami' <br>Photo by Delightroom

Sleep analysis feature of 'Alami'
Photo by Delightroom

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The sleep analysis is conducted by measuring sleep stages such as deep sleep through the phone's sensors while the Alarmi user is sleeping. Using the microphone sensor installed in the phone, it measures whether the user is asleep or awake by detecting the user's movements and sounds made by the user.


Through Alarmi's sleep analysis feature, users can check records such as the time spent in bed, the time taken to fall asleep, the time spent in light sleep, the time spent in deep sleep, and the total sleep time. Delightroom plans to add features to measure sleep habits such as snoring and teeth grinding in the future.


Gominsam Ko, head of research at Delightroom and professor at Hanyang University ERICA ICT Convergence Department, explained, "We developed a deep learning model based on polysomnography data from hundreds of people, and it is possible to identify sleep stages using respiratory data collected by a smartphone without wearing a wearable device."



Jaemyung Shin, CEO of Delightroom, said, "The ultimate goal of the Alarmi service is the 'user's successful morning,' and to achieve this, it is necessary not only to help users wake up well but also to help them sleep deeply first." He added, "Based on the accumulated sleep analysis data in the future, we plan to provide behavioral prescriptions that practically help sleep beyond just analysis."


This content was produced with the assistance of AI translation services.

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