Screen time refers to the amount of time a person spends watching screens, including smartphones, tablets, gaming consoles, TVs and computers. Greater screen time is associated with increased sedentary behaviour and less physical activity, affects mental health and leads to sleep deprivation. There is no escaping screens today, and being restricted indoors during the COVID-19 pandemic is only making it harder for children.Even before the pandemic, the World Health Organization had set guidelines on physical activity, sedentary behaviour and sleep for children under 5 years of age. It recommends no screen time for infants under-1, and no more than an...