People with obstructive sleep apnea (OSA) typically have low oxygen levels when they sleep because of gaps in their breathing. Blood oxygen during sleep is considered low if levels are below 95%.

The blog post reads, "Following this update, sensor data from the Blood Oxygen app on Apple Watch will be measured and ...

Drinking alcohol on a flight may lower blood oxygen levels and increase heart rate, a new study shows. Experts explain side effects of drinking during a flight.

Croatian freediver Vitomir Maričić has set a world record for the longest time spent holding his breath underwater. Maričić spent 29 minutes and three seconds submerged in water on a single breath, ...

The researchers measured blood and tissue oxygen levels in the brains of 35 healthy adults aged 18 to 30 using a frequency-domain NIRS (FD-NIRS) system that operated at a modulation frequency of ...

WH: How does drinking alcohol on an aeroplane impact your heart rate and blood oxygen levels? ST: It can lower your blood oxygen levels and increase your heart rate.