EDIRNE, Turkey

Sleep deprivation reduces the number of natural killer cells which fight tumors and viral infections, a Turkish professor said, adding that a healthy immune system is your best bet against coronavirus.

“Healthy sleep is key for the proper functioning of immune system,” said Levent Ozturk, a physiology expert at Trakya University in Turkey’s Edirne province.

“Staying up for even only one night reduces the number and activity of the natural killer lymphocytes, which are crucial for the fight against viruses,” Ozturk stressed.

Ozturk added that the natural killer cells provide defense against the infections and they do not

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