High Blood Sugar in the Morning? Understand Why

Diabetes has a mind of its own.
Its been notorious for acting in a strange way and let you keep thinking what wrong has been happened.

There are times when you come across high fasting blood sugar in the morning.
Those high numbers may give you a shock and make you wonder what exactly you did wrong yesterday to get punished by those high numbers.

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you may try figuring out by asking questions like:
whether you took insulin properly?
or whether you have taken carbohydrate-rich food?

High Blood Sugar in the Morning

Those numbers may keep you puzzled and spoil your whole day

Well, there many reasons which may shoot up your blood sugar:
a. Not taken right insulin dosage or have completely forgotten it
b. Have eaten carb-rich food
c. Went to the part and had late dinner
d. Illness
e. Poor sleep
f. Stress

But if you have done all the things right and still had high morning numbers than you must have suffered from a mechanism named “Dawn Phenomenon”.

So, what is Dawn Phenomenon?

It’s a concept in which your liver dumps extra glucose in your body late at night.
It occurs usually at around 4 AM and may peak at 10 AM.

So if you check your blood sugar in the early morning and found it exceptionally high, then understand that it may be happening due to glucose dumping by the liver.

Why does it happen?

Because at night your body glucose level may drop below the required limit. In order to counter that your body release hormones (cortisol, glucagon, epinephrine) that give the signal to the liver to produce extra glucose.

So when there is a long time between meals, your brain may give the signal to the liver to produce extra glucose to keep your body running.

Is Dawn Phenomenon Normal?

Yes, it’s completely normal.
This mechanism takes place in every human body and yes, even to non-diabetics. Its a natural way of body to maintain proper glucose level.

But as nondiabetics have healthy pancreas to digest the extra glucose, their blood sugar doesn’t rise much. However, for diabetics, it’s like an extra pressure and may harm our body with the high blood sugar.

How much can blood sugar rise due to this mechanism?

It’s been said that the overnight rise of at least 20mg/dl can be resulted due to this mechanism.
Read about normal blood sugar

Who can have Dawn phenomenon?

As I have said earlier, this is a natural process and happens even to non-diabetics.
It doesn’t matter whether you are Type 1 or Type 2, taking medication or injecting insulin, it can happen to each and every person
Read about different types of diabetes

Can this be a problem for a diabetic? 

Suffering from dawn phenomenon will raise your blood sugar level by high proportion. In the short term you may ignore the issue, but remember that constant high sugar may harm your body irrevocably and gives you complications which are painful and difficult to avoid.

Understanding Dawn Phenomenon
So what should I do to reverse the number?
This is problematic issue as you have so little control over it
Imagine the state of a person who is doing everything right, eating well, taking proper insulin dosage, having low carb diet at right time, but still he wakes up with high numbers.
click here to learn how well you are managing your diabetes

However, there are certain ways which can help to manage this condition and get in control of fasting numbers

a. Taking Basal Insulin (long-acting insulin) before bedtime
Taking long-acting insulin is the best bet for dealing with dawn phenomenon.
Basal insulin generally works from 15-20 hours in the body and handle the late night glucose dump.

These long-acting insulin aren’t that tricky to handle as the rapid-acting ones which need to be calibrated with the exact amount of food to eat.

So, if you are a constant sufferer from dawn phenomenon, this is the best option for you.
But make sure to consult your doctor before taking any step, I don’t want you to do any kind of experimentation with your body.
You can read the research paper regarding this step by clicking here 

b. Taking Vinegar Tablets
It’s been found that vinegar can help you to control your fasting numbers.  Using vinegar can reduce the glycemic index of starch meal from 100 to 60.
Read research here

You can easily found vinegar tablets in your local store and if you didn’t, you can use vinegar also.
Now there are different varieties of vinegar available in the market, you can choose any of them but avoid those which have a sweet flavor.

c. Including lemons in your dinner
Lemons are also found to be helpful in reducing your fasting numbers.
You can have a lemon drink or can have it in a salad dressing before your dinner.


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If you are dealing with high blood sugar, please comment below about your experience and how’d you managed to control those high numbers.

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Further Read
Healthy food option for diabetics that don’t raise blood sugar
Why Vitamin D is essential for diabetics
Understanding Diabetic neuropathy

2 Responses

  1. Krishna Kumar Singh says:

    Very informative and helpful. Thanks.

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