A single night of poor sleep can slash your insulin sensitivity by up to 25%. This means e

Well SupportedHigh-intensity interval training (HIIT) performed before sleep deprivation can attenuate increases in glucose, insulin, and free fatty acids in healthy males.

Well SupportedFragmented sleep reduces insulin sensitivity by 20-25% even if total duration is preserved.

Partially SupportedPrioritizing 8 hours of sleep can lessen negative impacts on blood sugar regulation even with a late bedtime.

Well SupportedSleeping between 4 and 7 hours per night is associated with larger spikes and more variability in blood sugar compared to sleeping at least 8 hours.

Partially Supported