Heart rate of 59, is that normal?

Borderline low but:: Normal heart rate is 60-100, though it is usually 60-80. Thus, 59 is borderline low but I am sure it is not 59 all the time; if you check your heart rate 20 times a day you will probably get 20 different readings and it can change moment-to-moment, so if it usually 60 or above I would not be concerned. Those who do a lot of aerobic exercise often tend to have lower heart rates.

It can be: Resting heart rate is considered normal in the 60-100/ min range. In athletes lower values are commonly encountered. Circumstances in which measurements are taken matter more sometimes than actual values.