Our body clock and our food clock have a natural tension point: We crave food at night, but our bodies function better when we eat earlier. Science shows that to live longer, healthier lives, we need to override our instincts
Heading into the winter holidays, tis the time for eating—and plenty of it. But food can affect your body differently throughout the day, so let’s take a closer look at that internal timepiece.
One study of nurses found that when they switched to a night shift, they actually burned fewer calories than they did when working days, even though they were engaging in the same activities. Other studies determined that shift workers have a 40 percent increased risk of cardiovascular disease as well as heart attacks, strokes, and abnormal heartbeats, compared with those working daytime hours.
Our body clock and our food clock have a natural tension point: We crave food at night, but we function better when we eat earlier. Research has shown that in the absence of normal light and time cues, people are naturally the hungriest around the time that would correspond to 8 p.m. and least hungry at the time that would correspond to 8 a.m.
On the other hand, animals are normally the most insulin resistant during their typical sleeping hours. Studies suggest the same phenomena occur in humans. It turns out that mealtime has a big effect on what happens to your blood sugar levels. If you eat the same meal in the morning and at night, your blood sugar will increase more in the evening than in the morning.
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