Grumpy Old Geeks Products SleepTuner Product SleepTuner 2 mentions in 1 episode A Beddr wearable described as measuring blood oxygen, heart rate, sleep position, and breathing interruptions. Mentions 291: Disambiglyuationess Oct 22, 2018 46:21 they launched a device called SleepTuner 46:37 it measures blood oxygen level