Oxygen level 87 while sleeping

A blood oxygen level is a measurement of how much oxygen a person has in their blood. For most people, a normal level of blood oxygen is between 95% to 100%. It’s normal for a person’s oxygen levels to drop slightly during sleep, though nighttime drops in blood oxygen can also be a sign of sleep apnea and other health issues.

What Happens to Your Oxygen Levels During Sleep?

During sleep, a person’s breathing naturally becomes less consistent and shifts as they move through the different stages of sleep.

Reasons for low oxygen levels while sleeping

It’s normal for a sleeper to have periods of slow or shallow breathing and short pauses in breaths. While normal, these changes in breathing can cause a sleeper’s blood oxygen levels to temporarily decrease.

While minor changes in blood oxygen levels are expected during sleep, a wide range of health problems can cause oxygen levels to drop too low.

Tissues in the body need oxygen to stay healthy, so a blood oxygen level that is too low can be dangerous to a person’s health.

Measuring Oxygen Levels During Sleep

Blood oxygen levels can be measured through a blood test or by usin

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