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There’s no sugar-coating it: More than two and five American adults have prediabetes.

This condition causes higher-than-normal blood sugar levels that spike with certain foods. Without lifestyle changes, up to 70% of them will develop type 2 diabetes.

But prediabetes is a warning sign, not a life sentence. Doctors will recommend losing weight, changing their diet, and getting more exercise in to get out of the prediabetic blood sugar zone.

New research says another tool could help manage prediabetes — while you sleep.

Insulin resistance causes blood sugar to spike and severe energy crashes follow. cherryandbees – stock.adobe.com

Sleeping with air purifiers stabilized blood sugar levels in people with prediabetes during the day, researchers at NYU Langone found.

Here’s how what’s in your air affects your blood.

Air pollution and prediabetes

Foods like grains and sugars break down into glucose which goes into the bloodstream.…