Writer: Unnati Singhania (MSc. Biotechnology, Symbiosis School of Biological Sciences, Pune) Quality sleep is the measurement of how well you are sleeping and lack of sleep is more relevant in the current pandemic where people work from home, which eventually creates more work pressure, late-night shifts, stress, irritability, etc. To balance all these, we can get help from our immune system. It is a complicated network that provides multiple lines of defense against illness.  The defense system can be divided into innate immunity and adaptive immunity, and sleep adds to both. During sleep immune system secrets proteins called cytokines. Cytokines are essential for a defense mechanism against infection, inflammation, or stress condition. Less amount of sleep can reduce the production of...