Can Poor Sleep Trigger Chronic Diseases?

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Poor sleep isn't just about feeling tired the next day, it can disrupt hormones, weaken immunity, and increase long-term health risks. Research links chronic sleep deprivation with obesity, diabetes, heart disease, hypertension, and even weakened brain function. Simply put, good sleep is a cornerstone of disease prevention.

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Obesity 

Lack of sleep alters hunger hormones (ghrelin and leptin), leading to overeating and weight gain.

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Type 2 diabetes 

Sleep loss impairs insulin sensitivity, raising the risk of high blood sugar and diabetes.

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Heart disease 

Inadequate sleep increases stress hormones and inflammation, straining the heart.

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Hypertension 

Poor sleep keeps blood pressure elevated, raising long-term risk of stroke and heart attack.

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Weakened immunity 

Reduced sleep lowers immune cell activity, making the body more vulnerable to infections.

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Cognitive decline 

Chronic sleep deprivation is linked to memory problems and higher dementia risk.

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Depression & anxiety 

Sleep disruptions affect brain chemistry, worsening mood disorders and mental health.

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