Monitoring is the process of looking at a disease, condition, or one or more medical phenomena over time. Portable monitoring devices are increasingly helping people better monitor their health status, both at the personal and medical level by providing more information to specialists, which may allow for early diagnosis and treatment. Many health care problems can be managed under one roof in places such as high-tech hospitals. However, with busy lifestyles and progressive changes, seeing a doctor is always time, money and productivity. To address this issue, portable health monitoring devices can serve as early warning systems, alerting patients to the need for a hospital visit. In this paper we review the basic lifestyle which should be adapted by more and more people, in order to stay alert and have a track of your health via monitoring vitals. Furthermore, we present the valuable vital signs which are important to be monitored by the particular devices which are easily available in market. Finally, we discuss the smartest way to monitor your fitness daily by smartwatch with tracking designed for specific workouts and even monitoring sleep helps to keep good health. CONCLUSION:These portable health assistants can help patients with cardiovascular and respiratory disorders by acting as a cost-effective, time-saving, and simple-to-use interface between biomedical technology and them.