Circadian Misalignment Augments Markers of Insulin Resistance and Inflammation, Independently of Sleep Loss

Jan 25, 2014Diabetes

Misaligned body clock increases signs of insulin resistance and inflammation, even without sleep loss

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Abstract

In male participants, circadian misalignment resulted in a doubling of the decrease in and increase in inflammation compared to those with regular bedtimes.

  • Shift workers experience irregular sleep schedules, leading to misalignment of circadian rhythms and increased diabetes risk.
  • Sleep restriction for both aligned and misaligned conditions resulted in a significant decrease in insulin sensitivity.
  • Inflammation levels increased in both groups after sleep restriction.
  • Circadian misalignment is associated with greater metabolic disruptions, independent of the amount of sleep loss.

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Key numbers

−47%
Decrease in
Percentage change in after sleep restriction in the misaligned group.
146%
Increase in Levels
Percentage increase in levels in the misaligned group after sleep restriction.

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