Sleep is a vital, often neglected component of every person's overall health and well being. Getting enough sleep is essential for helping a person maintain optimal health and well-being. When it comes to health sleep is as vital as regular exercise and eating a balanced diet. It is important as it enables the body to repair and be fit and ready for another day and do the assigned work with full energy and enthusiasm. The quality of our sleep directly affects our mental and physical health and tha quality of our waking life, including our productivity, emotional balance, brain and heart health, immune system, creativity, vitality and even our weight. Sleep plays an important role in our physical health. For example, it is involved in healing and repairing of our heart and blood vessels. Ongoing sleep deficiency is linked to an increased risk of heart disease, kidney disease, high blood pressure, diabetes and stroke and so on. It can raise our risk for some chronic health problems. It can also affect how well we think, react, work, learn and get along with others. Sleep deficiency alters activity in some parts of the brain. If one is sleep deficient, he/she must face trouble in making decisions, solving problems, controlling emotions and behavior and coping with change. It can also be linked to depression, suicide and risk-taking behavior. During sleep, our body works to support healthy brain function and maintains our physical health. In Childress and teens, it also helps support growth and development. There is a big difference between the amount of sleep we can get by on and the amount we need to function optimally. While sleep requirements vary from person to person,most healthy adults need between 7 to 9 hours of sleep per night to function at their best. Children and teens even need more. And despite the notion that our sleep needs decrease with age, most older people need atleast 7 hours of sleep. Since older adults often have trouble sleeping this long at night, daytime naps can help fill in the gap. It helps our brain work properly. While we're sleeping, our brain is working for the next day by planning all the essential work that to be done by us. It also forms new pathways to help us learn and remember information. A good night's sleep improves learning. Whether we're learning math, how to play the piano, how to perfect the golf swing or how to drive a car, sleep helps enhance our learning and problem-solving skills. It also helps us to pay attention, make decisions and be creative for doing any kind of work.