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Written by Navneet Kaur, M.Sc. Nutrition & Dietetics

Diet

How Sleep Affects Your Immunity

Sleep is crucial for overall health, including immune function. Explore how quality sleep impacts your immune system and why it's essential for staying healthy. 

Introduction

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During sleep, the immune system releases cytokines, proteins that help fight infections and inflammation. Adequate sleep is vital for optimal cytokine production. 

1. The Role of Sleep in Immunity 

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Lack of sleep can weaken the immune system, making the body more susceptible to infections like the common cold, flu, and other illnesses. 

2. Sleep and Infection Resistance 

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Adults typically need 7-9 hours of sleep per night. Both the quantity and quality of sleep influence immune function and overall well-being. 

3. Sleep Duration and Quality 

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Adequate sleep enhances the production of antibodies, which are crucial for identifying and neutralizing harmful pathogens in the body. 

4. Sleep and Antibody Production 

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Chronic sleep deprivation can impair immune responses, reduce the effectiveness of vaccines, and increase inflammation in the body. 

5. Effects of Sleep Deprivation 

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Poor sleep quality is linked to a higher risk of chronic conditions like diabetes, heart disease, and obesity, which can compromise immune health. 

6. Sleep and Chronic Diseases  

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Sleep allows the immune system to repair and regenerate, ensuring that the body can effectively combat infections and heal from illness. 

7. Immune System Recovery During Sleep 

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Quality sleep is essential for a robust immune system. Prioritizing good sleep habits can strengthen immunity, improve overall health, and help you stay resilient against illnesses. 

Conclusion

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