By Dr. Brian McDonough

By Dr. Brian McDonough, Medical Editor

PHILADELPHIA (CBS) – Allergy season is here and for those of you who suffer from allergies, you probably think you know all of the symptoms. Well you might be missing one.

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Allergy sufferers don’t just have sniffles and sneezes, they lose sleep and, perhaps more importantly, they lose quality sleep.

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Deep sleep is affected by this condition. We already know that good diet, plenty of exercise and uninterrupted sleep are key and, in fact, sleep may play a bigger role than earlier thought.

According to a well-known University of Chicago study, a lack of sleep can affect the blood sugar and diabetics who do not get enough sleep actually have a more difficult time controlling their blood sugar.

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You just can’t underestimate it. And just think – something as simple as an allergic reaction.