By Hui Xie-Zukauskas

Here’s a troubling statistic: An estimated 60 million US adults have sleep disorder, making insufficient sleep an increasing public health issue.

How about you? Do you sleep too little or too much? Do you toss and turn at night?

Even if your answer to one of these questions is Yes, you may, like many people, consider trouble sleeping at night to be No Big Deal.

But that’s far from true. And that’s why today, we focus on how sleep can have a significant impact on keeping cancer at bay.

Let’s look at some facts:

1. Both too little sleep and too much sleep are associated with higher mortality from all-cause illnesses.
2. Working night shifts with long exposure to light at night disrupts circadian rhythms and has been found to contribute to an increased breast cancer risk.

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3. Obstructive sleep apnea (OSA, often indicated by heavy snoring) is a condition in which the human body is temporarily deprived of an adequate oxygen supply to the blood.  Recent studies show that patients with OSA have a higher prevalence of cancer and cancer-related death than those without OSA, suggesting that OSA promotes cancer development and progression.
4. One publication (by Matthews’ group, 2014) reported that people living a sedentary lifestyle (sleeping less than 7 hours/day, with moderate-to-vigorous physical activity less than 1 hour/week, viewing television more than 3 hours/day, and with a BMI greater than 25) had significantly higher all-cause cardiovascular disease and cancer mortality.
5. Individuals with a sleeping disorder are more likely to suffer from chronic diseases such as depression, hypertension, diabetes, obesity, and cancer.
6. Sleep disturbance is among the top 10 key health issues in menopausal women.
7. Sleep disturbance and/or sleep deprivation can critically harm your health based on a reciprocal link between sleep and inflammatory biology. Sleep disorders can negatively affect your immune functioning, including antiviral responses and proinflammatory responses.

In sum, accumulating evidence has demonstrated that getting adequate sleep has a significant positive influence on your health, including preventing development of certain cancers.

If you have trouble sleeping, it’s best to seek professional advice to help determine whether it is due to a psychological or a pathophysiological issue. Adequate duration and good quality of sleep absolutely go a long way toward securing your optimal health, a lowered cancer risk, and an increase in your quality of life and productivity.

In brief, sleep is very important and valuable for your health; so, make the most of it!

Image credit: by Pexels