TL;DR:Most people know sleep affects how they feel. Fewer realize it shows up directly in their biometric screening results. Poor sleep raises blood pressure, disrupts blood sugar regulation, drives up cholesterol, and increases inflammation.
You don’t feel exhausted. You’re functioning. You’re getting things done.
You just run on six hours most nights. Maybe less. You answer emails before the sun is up. You scroll for “just a few minutes” that turns into 45. You set your alarm with confidence that tomorrow will be different.
That’s the problem.
Sleep is when the body repairs itself. It's when blood pressure drops, blood sugar stabilizes, inflammation cools, and hormones reset. When that window is cut short — night after night — those systems don't get to finish their work.
The result? Numbers at your next biometric screening that may be harder to explain.
Below, we look at exactly how sleep shows up across key biometric markers, and what it means for your long-term health.

