The 5 Senses The five senses, that is, the sense of sight, touch, hearing, taste, and smell, provide us with necessary information regarding the world around us.1 These precious capabilities enable us to navigate our environment with seemingly instantaneous feedback with reference to our actions and

Obtaining sufficient restful sleep is an essential requirement for optimal human productivity. Such a practice is a key component of a healthy lifestyle, which includes a nutritious diet, regular vigorous exercise, and a positive mental attitude. How much sleep one needs varies from person to person.