How sleep can boost your body’s immune response


Researchers have demonstrated the importance of good-quality sleep time and time again, showing that a solid night’s rest can contribute to many aspects of physical and mental well-being. One new study has explained how sleep contributes to the proper functioning of the immune system.

Getting enough good-quality sleep each night is essential if we want to stay healthy and function well throughout the day.

When it comes to your health, sleep plays an important role. While more sleep won’t necessarily prevent you from getting sick, skimping on it could adversely affect your immune system, leaving you susceptible to a bad cold or case of the flu.  To keep yourself sniffle-free this season, here’s what you need to know.

Sleep and Cytokines

Without sufficient sleep, your body makes fewer cytokines, a type of protein that targets infection and inflammation, effectively creating an immune response. Cytokines are both produced and released during sleep, causing a double whammy if you skimp on shut-eye.  Chronic sleep loss even makes the flu vaccine less effective by reducing your body’s ability to respond.

Stock Up on Naps

To stay healthy, especially during the influenza season, get the recommended seven to eight hours of sleep a night. This will help keep your immune system in fighting shape, and also protect you from other health issues including heart disease, diabetes, and obesity. 


If your sleep schedule is interrupted by a busy workweek or other factors, try to make up for the lost rest with naps. Taking two naps that are no longer than 30 minutes each —one in the morning and one in the afternoon—has been shown to help decrease stress and offset the negative effects that sleep deprivation has on the immune system.  If you can’t swing a half-hour nap during the workday, try grabbing a 20-minute siesta on your lunch hour, and another right before dinner.

Other Healthy Tactics

Of course, there’s more to boosting your immunity and guarding against illness than getting ample sleep. It’s also important to practice smart stay-healthy strategies such as washing your hands with soap regularly, avoiding close contact with people who are obviously under the weather, and talking with your doctor about getting an annual flu shot.  And remember: Even if you do come down with a case of seasonal sniffles, you’ll be able to bounce back faster if your body is well rested. 

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