For people with elevated blood sugar levels, (prediabetes or diabetes), monitoring is extremely important, since it helps them keep track of their levels, both fasting and non fasting, and helps the doctor adjust their medications. When it comes to high blood sugar in the morning, it can be worrying, (more so, if one is not a diabetic) as the body is in fasting mode and a high reading can feel unsettling. Let's find out more...
What Is Morning High Blood Sugar
Blood sugar, or glucose, is the main source of energy for your body. It comes from the food you eat and is carried in your blood to your cells. Normally, your body keeps blood sugar levels within a healthy range by using insulin, a hormone that helps sugar enter your cells, and keeps it at an optimum level.
In the morning, some people experience higher-than-normal blood sugar levels, even if they didn’t eat anything overnight. This is called “morning hyperglycemia” or the “dawn phenomenon.”
Why Does Blood Sugar Rise in the Morning
Several factors cause your blood sugar to go up in the morning:
Hormonal Changes
Before you wake up, your body releases hormones like cortisol, growth hormone, and adrenaline. These hormones help you get ready for the day by increasing energy. But they also make your liver release stored sugar into your blood, which can raise your blood sugar levels.
Dawn Phenomenon
This natural rise in blood sugar happens between 2 a.m. and 8 a.m. as part of your body’s internal clock. It prepares you to wake up and be active, but in people with diabetes or insulin resistance, the body may not handle this sugar release well, leading to high morning blood sugar.
Insulin Resistance or Lack of Insulin
If your body doesn’t use insulin properly or doesn’t make enough of it, blood sugar can build up overnight. This is common in type 2 diabetes and some cases of type 1 diabetes.
Eating a heavy meal too close to bedtime
Eating heavy meals or sugary snacks close to bedtime can cause blood sugar to stay high overnight and into the morning.
Other Factors
Stress or illness can raise blood sugar.
Certain medications may affect blood sugar control.
Poor sleep or sleep disorders can also impact blood sugar levels.
Why Is Morning High Blood Sugar a Concern
High blood sugar in the morning can make it harder to control your overall blood sugar throughout the day. If left untreated, it increases the risk of diabetes complications like heart disease, kidney problems, nerve damage, and vision loss.
How Do You Know If You Have Morning High Blood Sugar
You may not feel symptoms if your blood sugar is only slightly high. The best way to know is to check your blood sugar with a glucose meter:
Test your blood sugar right after waking up, before eating or drinking anything.
Record your readings to share with your doctor
If your fasting blood sugar is consistently above 130 mg/dL (7.2 mmol/L), it may signal an issue
What Can You Do About High Blood Sugar in the Morning?
There are many ways to lower your morning blood sugar and keep it under control.
Take your medicines
Take your diabetes medicine or insulin exactly as prescribed.
Sometimes, adjusting the timing or type of medication can help control morning blood sugar. Always talk to your doctor before making changes.
Be mindful of dinner
Avoid heavy, high-carb, or sugary foods late at night. Choose balanced meals with protein, healthy fats, and fiber to slow sugar release.
Stay active
Regular exercise helps your body use insulin better and lowers blood sugar. Even a short walk after dinner can improve overnight blood sugar control.
Manage Stress
Stress hormones raise blood sugar. Try relaxation techniques like deep breathing, meditation, or gentle yoga.
Get Quality Sleep
Aim for 7–8 hours of restful sleep. Treat sleep problems like sleep apnea, which can affect blood sugar.
Sources
The American Diabetes Association (ADA)
WebMD
The Cleveland Clinic
Disclaimer: This article is informational only and not a substitute for medical advice. Always consult a medical professional if you have high blood sugar
What Is Morning High Blood Sugar
Blood sugar, or glucose, is the main source of energy for your body. It comes from the food you eat and is carried in your blood to your cells. Normally, your body keeps blood sugar levels within a healthy range by using insulin, a hormone that helps sugar enter your cells, and keeps it at an optimum level.
In the morning, some people experience higher-than-normal blood sugar levels, even if they didn’t eat anything overnight. This is called “morning hyperglycemia” or the “dawn phenomenon.”
Why Does Blood Sugar Rise in the Morning
Several factors cause your blood sugar to go up in the morning:
Hormonal Changes
Before you wake up, your body releases hormones like cortisol, growth hormone, and adrenaline. These hormones help you get ready for the day by increasing energy. But they also make your liver release stored sugar into your blood, which can raise your blood sugar levels.
Dawn Phenomenon
This natural rise in blood sugar happens between 2 a.m. and 8 a.m. as part of your body’s internal clock. It prepares you to wake up and be active, but in people with diabetes or insulin resistance, the body may not handle this sugar release well, leading to high morning blood sugar.
Insulin Resistance or Lack of Insulin
If your body doesn’t use insulin properly or doesn’t make enough of it, blood sugar can build up overnight. This is common in type 2 diabetes and some cases of type 1 diabetes.
Eating a heavy meal too close to bedtime
Eating heavy meals or sugary snacks close to bedtime can cause blood sugar to stay high overnight and into the morning.
Other Factors
Stress or illness can raise blood sugar.
Certain medications may affect blood sugar control.
Poor sleep or sleep disorders can also impact blood sugar levels.
Why Is Morning High Blood Sugar a Concern
High blood sugar in the morning can make it harder to control your overall blood sugar throughout the day. If left untreated, it increases the risk of diabetes complications like heart disease, kidney problems, nerve damage, and vision loss.
How Do You Know If You Have Morning High Blood Sugar
You may not feel symptoms if your blood sugar is only slightly high. The best way to know is to check your blood sugar with a glucose meter:
Test your blood sugar right after waking up, before eating or drinking anything.
Record your readings to share with your doctor
If your fasting blood sugar is consistently above 130 mg/dL (7.2 mmol/L), it may signal an issue
What Can You Do About High Blood Sugar in the Morning?
There are many ways to lower your morning blood sugar and keep it under control.
Take your medicines
Take your diabetes medicine or insulin exactly as prescribed.
Sometimes, adjusting the timing or type of medication can help control morning blood sugar. Always talk to your doctor before making changes.
Be mindful of dinner
Avoid heavy, high-carb, or sugary foods late at night. Choose balanced meals with protein, healthy fats, and fiber to slow sugar release.
Stay active
Regular exercise helps your body use insulin better and lowers blood sugar. Even a short walk after dinner can improve overnight blood sugar control.
Manage Stress
Stress hormones raise blood sugar. Try relaxation techniques like deep breathing, meditation, or gentle yoga.
Get Quality Sleep
Aim for 7–8 hours of restful sleep. Treat sleep problems like sleep apnea, which can affect blood sugar.
Sources
The American Diabetes Association (ADA)
WebMD
The Cleveland Clinic
Disclaimer: This article is informational only and not a substitute for medical advice. Always consult a medical professional if you have high blood sugar
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