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 […]
SpO2 & Oxygen Desaturation: Understanding the 4% Drop Rule
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 […]
O2Ring Data Analysis: Estimating Your Apnea/UARS Probability
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 […]