Hot flashes linked with obstructive sleep apnea, increases risk of diabetes and cardiovascular disease

Written by Emily Lunardo
Published on

hot flashes sleep apneaHot flashes, commonly associated with menopause in women, may also be a sign of a sleep disorder called obstructive sleep apnea and could increase the risk of cardiovascular disease as well as diabetes. Research carried out by the North American Menopause Society (NAMS) published in Menopause explains this relationship.

What is obstructive sleep apnea and how is it linked to menopause?

Commonly associated with snoring, obstructive sleep apnea refers to a condition where a person finds it difficult to breathe during sleep. This may cause someone to wake up at night often and experience symptoms associated with lack of rest such as headaches, difficulty concentrating, and daytime sleepiness. While it is more prevalent in men, as many as 53 percent of perimenopausal and postmenopausal women suffer from this condition.

Obstructive sleep apnea often goes undiagnosed in middle-aged women, as they experience symptoms of menopause that may be attributed to their reduced quality of sleep. Hot flashes or night sweats are experienced by up to 80 percent of menopausal women which may keep them up at night.

In addition, the symptoms experienced by women are not as obvious as those experienced by men. Headaches, fatigue, anxiety, depression, and insomnia are the most common symptoms in women, and these are often linked to stress rather than obstructive sleep apnea. This stress can increase the risk of hypertension, stroke, heart disease, and even mortality.

A survey carried out by Mayo Clinic suggests that as many as 24.9 women were at high risk of obstructive sleep apnea, and women who experience hot flashes have a 1.87 higher risk compared to women who do not experience hot flashes or experience mild ones.

Dr. JoAnn Pinkerton, executive director of The North American Menopause Society (NAMS), recommends the need for sleep apnea testing in menopausal women experiencing problems sleeping or symptoms such as extreme daytime drowsiness and early morning headaches.

Menopause, hot flashes, and diabetes

Research published in Menopause suggests that menopause and its common symptom—hot flashes—can also put women at risk of diabetes. This study came out of the North American Menopause Society, and it allowed them to collect data from over 150,000 postmenopausal women.

The analysis of this data revealed that women experiencing hot flashes were 18 percent more likely to develop diabetes. Researchers also observed that this risk was higher for women who had more intense hot flashes or those who were experiencing them for a longer duration. In addition, women over the age of 55 were at a higher risk compared to younger women.

Hot flashes and cardiovascular disease

Researchers at NAMS also found a link between hot flashes and cardiovascular disease. They studied 272 non-smoking women in the perimenopausal and postmenopausal ages (between the ages of 40 and 60). Choosing a sample of non-smoking women would overrule the effect of smoking on the condition of the heart.

The study involved a physiological assessment of hot flashes on the functioning of endothelial cells—cells of the internal lining of blood vessels. It was observed that the ability of endothelial cells to dilate was affected more by hot flashes in younger fertile women than in elderly women whose cells were more or less unaffected. In other words, vascular dysfunction was observed in younger women, but not in elderly women. This indicated that the risk of heart disease developing in women experiencing hot flashes is greater if the woman is younger.

Significance of hot flashes

Hot flashes are not just a symptom of menopause but are indicative of health risks. Women with hot flashes may also suffer from sleep apnea that may go undiagnosed. In addition, hot flashes are associated with an increased risk of diabetes and bear a correlation with vascular dysfunction that can develop into heart disease.

According to Dr. JoAnn Pinkerton, hot flashes are more than just a “nuisance” and can affect cardiovascular, bone, and brain health. To minimize the occurrence and impact of hot flashes, she recommends that women—particularly in the menopausal stage of life—should practice healthier habits like eating a healthy diet, getting sufficient sleep, exercising, and giving up cigarettes and alcohol.


Related Reading:

Hot flashes in men: Causes, symptoms, and treatment tips

Hot flashes after eating or drinking: Causes and treatment tips

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On any matter relating to your health or well-being, please check with an appropriate health professional. No statement herein is to be construed as a diagnosis, treatment, preventative, or cure for any disease, disorder or abnormal physical state. The statements herein have not been evaluated by the Foods and Drugs Administration or Health Canada. Dr. Marchione and the doctors on the Bel Marra Health Editorial Team are compensated by Bel Marra Health for their work in creating content, consulting along with formulating and endorsing products.

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