The normal heart rate for an adult is between 60-100 beats per minute, with the elderly and sedentary leaning toward the higher end of that range.Most health professionals say it is best to check it in the morning after a good nights sleep. ChaCha. [ Source: http://www.chacha.com/question/what-is-a-normal-resting-heart-rate-for-a-19-year-old-female ]