Melatonin, known as a sleep aid, could also help treat the virus, Cleveland Clinic scientists said in research published in the journal PLOS Biology.
Data that included nearly 27,000 people at the clinic showed a 28 percent reduced likelihood of contracting the COVID.
Melatonin, taken by mouth as a tablet, regulates the sleep-wake cycle and is often used for the treatment of insomnia and in adjusting to changes to the sleep cycle.
For more on the findings, check this report at webmd.com.
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