Hypertension is described as the "e;silent killer"e; often showing no distinct symptoms or warning signs. The condition is estimated to affect 1.13 billion people across the globe with two-thirds in low/middle-income countries. This book presents research-backed data as to the trend in hypertension in children and adolescents along with associated factors such as sleep and even the impact of seasons! Another USP of this book is the connection between COVID-19 infection and hypertension. Overall, this book presents the current scenario of hypertension along with new advances and current gaps to help us to tackle the "e;silent killer"e;.