We are independent & ad-supported. We may earn a commission for purchases made through our links.

Advertiser Disclosure

Our website is an independent, advertising-supported platform. We provide our content free of charge to our readers, and to keep it that way, we rely on revenue generated through advertisements and affiliate partnerships. This means that when you click on certain links on our site and make a purchase, we may earn a commission. Learn more.

How We Make Money

We sustain our operations through affiliate commissions and advertising. If you click on an affiliate link and make a purchase, we may receive a commission from the merchant at no additional cost to you. We also display advertisements on our website, which help generate revenue to support our work and keep our content free for readers. Our editorial team operates independently from our advertising and affiliate partnerships to ensure that our content remains unbiased and focused on providing you with the best information and recommendations based on thorough research and honest evaluations. To remain transparent, we’ve provided a list of our current affiliate partners here.

What Causes High Blood Sugar in the Morning?

By Brandon May
Updated May 17, 2024
Our promise to you
WiseGeek is dedicated to creating trustworthy, high-quality content that always prioritizes transparency, integrity, and inclusivity above all else. Our ensure that our content creation and review process includes rigorous fact-checking, evidence-based, and continual updates to ensure accuracy and reliability.

Our Promise to you

Founded in 2002, our company has been a trusted resource for readers seeking informative and engaging content. Our dedication to quality remains unwavering—and will never change. We follow a strict editorial policy, ensuring that our content is authored by highly qualified professionals and edited by subject matter experts. This guarantees that everything we publish is objective, accurate, and trustworthy.

Over the years, we've refined our approach to cover a wide range of topics, providing readers with reliable and practical advice to enhance their knowledge and skills. That's why millions of readers turn to us each year. Join us in celebrating the joy of learning, guided by standards you can trust.

Editorial Standards

At WiseGeek, we are committed to creating content that you can trust. Our editorial process is designed to ensure that every piece of content we publish is accurate, reliable, and informative.

Our team of experienced writers and editors follows a strict set of guidelines to ensure the highest quality content. We conduct thorough research, fact-check all information, and rely on credible sources to back up our claims. Our content is reviewed by subject matter experts to ensure accuracy and clarity.

We believe in transparency and maintain editorial independence from our advertisers. Our team does not receive direct compensation from advertisers, allowing us to create unbiased content that prioritizes your interests.

Having high blood sugar in the morning is not only a condition that affects diabetics, but usually occurs in most individuals due to certain hormones. These hormones play a critical role in helping the body feel energized, which then contributes to rising blood glucose levels. Eating a carbohydrate-rich breakfast is another important factor that contributes to high blood sugar in the morning, as carbohydrates are the macronutrients that quickly break down into blood sugar to be utilized for energy. Getting enough rest, maintaining a good diet and exercising are all factors that can help ease the symptoms of high blood sugar in the morning, though they may not be the only treatments for people who suffer from diabetes.

In the couple of hours before waking in the morning, the body releases three critical hormones to help bring forth energy and wakefulness. These hormones, called cortisol, epinephrine and norepinephrin, are essential hormones that stimulate the sympathetic nervous system and aid in the fight or flight response. When these hormones rise in the body, blood sugar often rises in response and secretes insulin to help bring that blood sugar into the cells for energy use throughout the day. This can be challenging for those with diabetes, as their insulin works against them and prevents this energy from being absorbed into the cells.

When high blood sugar in the morning occurs in those who have blood sugar and insulin issues, symptoms of lethargy or tiredness can occur because the cells are not receiving the energy needed. Research suggests that a breakfast high in carbohydrates, especially those containing refined carbohydrates like most cereals and sugars, also contributes to high blood sugar in the morning. This is due to the fact that carbohydrates, not including fiber, quickly break down into glucose that raises blood sugar levels as well as insulin.

Treating high blood sugar in the morning can be as easy as avoiding foods high in refined carbohydrates, such as those found in grain products and sugars, all day or at least early in the morning. A breakfast high in protein can help stabilize blood sugar levels in most individuals, however further treatment for those suffering from diabetes may be needed. A good exercise program also helps normalize blood sugar levels and places them in a healthier range. Getting adequate rest during the night and relieving stress during the day can also help bring down high blood sugar levels.

WiseGeek is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.

Discussion Comments

By Lostnfound — On Apr 27, 2014

@Grivusangel -- That's true. My friend who is diabetic said her doctor gave her that advice when she was concerned about high morning readings that normalized as the day went on. He said a protein snack before bed could help high or low blood sugar, that it helped keep the sugar levels stable overnight.

Low blood sugar levels in the night are more common in Type 1 and insulin-dependent Type 2 diabetics, but high levels can happen to either kind of diabetic.

By Grivusangel — On Apr 26, 2014

If the diabetes is well controlled otherwise, then high morning sugar levels in diabetics are most often caused by what is called the "dawn phenomenon." The liver dumps glucose into the system and the sugar goes up.

One of the best ways to fight this is to eat a small, protein based snack before bedtime. Peanut butter, some cheese or deli meat, or a handful of nuts will often help. These are processed through the liver so essentially, the liver has so much to do processing the protein, it doesn't have time to dump glucose.

WiseGeek, in your inbox

Our latest articles, guides, and more, delivered daily.

WiseGeek, in your inbox

Our latest articles, guides, and more, delivered daily.