It is normal for sugar to continue to enter your bloodstream throughout the night. You see your body stores sugar through out the day and releases this sugar into your blood stream when you stop eating.

Your liver can also manufacture sugar from sources such as fats and release it into your blood stream. Another reason that your blood sugar may rise through the night is that your body is at rest and may not be able to move the glucose eficently to the cells that it is intended for. Your muscles and other tissues also use up less sugar.

Some hormones can interfere with the work of insulin, making insulin less efficient. As an example hormones such as cortisol build up in higher levels as you sleep.

So don’t panic if your blood sugar level is a little bit higher in the morning than it is in the afternoon. It is normal for most people