As a medical school professor, I tell my students: "Sleep" isn't a luxury.

It's metabolic medicine.

A new NHANES analysis (n=23,475) found an inverted U-shaped curve between weekday sleep and insulin resistance (via eGDR).

The sweet spot: ~7.32 hours/night.
• Below 7.32h, more sleep improved insulin sensitivity (β=0.273 per hour)
• Above 7.32h, more sleep was linked to worse eGDR (β=−0.222 per...
#sleep #circadian #insulinresistance #metabolichealth #diabetes
https://doi.org/10.1136/bmjdrc-2025-005692