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Samsung Galaxy Watch 4 could possibly become a tool for accurate measurements of Obstructive Sleep Apnea (OSA), stated a recent survey by Samsung Medical Center and Samsung Electronics. The study observed 97 adults with sleep disorders and showed that the Galaxy Watch 4 can be much more cost effective and efficient.
Obstructive Sleep Apnea is a common sleep disorder and seen mostly in middle-aged people.
The study have been published by the National Sleep Foundation medical journal ‘Sleep Health’. The Launched in 2021, the Samsung GW4 is comes with a reflectance pulse oximeter feature and sits tight with the user’s wrist. The SpO2 has eight photodiodes that sense reflected light and captures heart rate at a sampling frequency of 25Hz.
(A) Underside view indicating the LED-PD module (yellow rectangular area), and (B) Magnified view of the LED-PD module. (C) A participant wearing the GW4 on the wrist. The white and red arrows indicate infrared and red LED, respectively. The green arrow indicates one of the 8 photodiodes located radially. | Photo Credit: Press Release
For the above study, researchers have conducted simultaneous surveys of adults suffering from sleep disorders, using the GW4 and traditional medical process for comparison.
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Illustrations of overnight WristO2 traces of (A) normal participants (B) patients with severe OSA. Magnified views of red rectangular areas in (B) are shown in (C) and (D) | Photo Credit: Press Release
The researchers found with GW4 and the traditional medical device, proved that the smartwatch can detect precise measurements of oxygen level during sleep.
The Korean-based tech giant, is reportedly bringing Galaxy Watch 5 with a body temperature sensor.
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