Respiratory – Night Time Comfort https://www.nighttimecomfort.com Decode Your Sleep. Recover Fully. Sun, 02 Aug 2026 06:34:00 +0000 en-US hourly 1 https://wordpress.org/?v=5.1.24 Oxygen Desaturation Meaning: ODI, Nadir SpO2 and the 4% Rule Explained https://www.nighttimecomfort.com/odi-nadir-spo2-and-the-4-rule/ Thu, 23 Jul 2026 19:31:14 +0000 https://www.nighttimecomfort.com/?p=2898 Oxygen desaturation means a drop in the oxygen saturation of your blood below its baseline level. In sleep medicine, it specifically refers to your blood oxygen (SpO2) falling by a defined amount — usually 3% or 4% — from the level just before the event. When it happens repeatedly through the night, it’s usually a […]

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]]> SpO2 & Oxygen Desaturation: Understanding the 4% Drop Rule https://www.nighttimecomfort.com/oxygen-desaturation/ Fri, 05 Dec 2025 11:11:16 +0000 https://www.nighttimecomfort.com/?p=159 You wake up, check your sleep tracker app, and your heart sinks. The graph shows a red line dipping down to 86%. Is it a glitch? Did you stop breathing? Or did you just sleep on your hand? For anyone struggling with unrefreshing sleep, understanding SpO2 levels sleep data is the difference between aimless worrying […]

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]]> O2Ring Data Analysis: Estimating Your Apnea/UARS Probability https://www.nighttimecomfort.com/o2ring-data-analysis/ Fri, 05 Dec 2025 10:16:25 +0000 https://www.nighttimecomfort.com/?p=143 You suspect something is wrong. You wake up tired, your partner says you twitch, or perhaps your Apple Watch threw a vague “low oxygen” alert. You want answers, but the waitlist for a sleep clinic is six months long. This is where the Wellue O2Ring changes the game. I am not a doctor. I am […]

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