As we become more aware of the ways in which blood sugar impacts our health, many of us continue to make improvements to our eating habits. Here, a look at eight factors to keep in mind when trying to keep blood sugar levels in check. According to research, even just one night of too little sleep can significantly reduce insulin sensitivity and drive up blood sugar levels, even in healthy people. But long periods of sitting is not just harmful for muscles, it’s also hard on the metabolism, disrupting the regulation of blood sugar, blood pressure, and fat burning. Skipping breakfastIntermittent fasting may be popular, but some research shows those who skip breakfast often experience a higher blood sugar peak at lunchtime.