Having a normal energy level is important to lead a healthy life. Synonyms for normal energy level include typical energy, usual vigor, standard vitality, regular stamina, and average liveliness. The levels of energy vary from person to person, depending on age, health condition, and physical activity. Optimal energy levels can be maintained by maintaining a balanced diet, regular exercise, and adequate rest. Some people may experience occasional dips in their energy levels due to factors like stress, poor sleep, or illness. However, if low energy becomes a chronic problem, seeking medical advice may be necessary to rule out underlying health issues.