Same meal, different time, different spike
What your internal clock has to do with glucose
Levels <[email protected]>
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Levels promotes awareness of the impact of circadian rhythm on metabolic health, specifically how the internal clock affects glucose spikes. The company highlights the importance of light exposure, sleep timing, and meal timing in maintaining blood sugar control. It shares five key takeaways on the connection between circadian rhythm and glucose regulation.
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What your internal clock has to do with glucose
How circadian rhythm impacts metabolic health
A recent podcast guest told us "You literally have a different body at different times of day." She was referring to the shifts in hormones that happen solely based on time of day.
For example, in one Harvard study, researchers had people eat breakfast at 8 am and dinner at 8 pm, then completely reversed it, shifting breakfast to 8 pm and dinner to 8 am with sleep moved to daytime. No matter when people actually ate or slept, glucose spiked 17 percent higher in the evening.
That's not about willpower or food choices. It's your circadian rhythm, the internal clock that governs when your body is primed to handle glucose well and when it isn't. Light exposure, sleep timing, and meal timing all feed into this system, and when they fall out of sync, blood sugar control suffers even if your diet stays exactly the same.
Button The circadian connection →
Five Key Takeaways
1. Natural light cues your body’s regulatory system.
Light hitting your eyes triggers brain processes that direct the release of hormones controlling, among other things, hunger and blood sugar levels.
2. Late-night light exposure is linked to worse blood sugar control.
One study of more than 100,000 women found that sleeping with light exposure was strongly associated with higher BMI and waist circumference.
3. An irregular sleep schedule confuses more than just your mood.
People with more than an hour of "social jetlag," the gap between weekday and weekend sleep times, had 1.39 times higher rates of prediabetes or diabetes.
4. Eating late activates a hormone that works against you.
Melatonin rises in the evening and suppresses insulin release, so eating close to bedtime leaves your blood sugar control already weakened at its worst moment.
5. A few consistent habits keep your internal clock in sync.
Eating roughly between 8 am and 6 pm, keeping a steady sleep schedule, and getting outside for natural light during the day all help align your body's central and peripheral clocks.
Button Read the full article →
Looking to understand more about your metabolic health?
Explore our health news and advice site, Metabolic Insights
228 Park Ave South, PMB 63877, New York, NY 10003
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