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Study: 7+ Hours Sleep Boosts Insulin Sensitivity, Cautions Risks

3/3/2026

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Summary

Story summary

A study in BMJ Open Diabetes Research & Care finds that seven hours and 18 minutes of sleep per night may reduce insulin resistance.
Researchers analyzed data from 10,817 US participants and found weekend sleep catch-up linked to improved glucose disposal rates.
However, excessive weekend sleep could increase diabetes risk.
Poor sleep affects appetite control and hormones, contributing to insulin resistance.

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Story summary

A study in BMJ Open Diabetes Research & Care finds that seven hours and 18 minutes of sleep per night may reduce insulin resistance.
Researchers analyzed data from 10,817 US participants and found weekend sleep catch-up linked to improved glucose disposal rates.
However, excessive weekend sleep could increase diabetes risk.
Poor sleep affects appetite control and hormones, contributing to insulin resistance.