resting heart rate??

That's VERY low. Did you take your pulse yourself to verify? Mine has gone down from a consistent 84 to between 62 and 70.

What type of heart rate monitor were you using? Improper use of a HR monitor can lead to incorrect results. For example, for best results of the HR monitor you should use a gel to make the signal better, and then once you're working out, the sweat you are producing also increases accuracy. If you're just sitting with the HR monitor on and you don't have the gel on or your own sweat to make the signal better, you may get odd results such as 39 bpm. Normal resting heart rate is around 70 bpm for healthy adults.. males typically slightly lower than females, but a lot depends on your activity. Mine personally is typically just under 60. I hope this helps!

Mine is usually about 62-65bpm.

Some doctors feel if you have a heart-rate of less than 60, there are health risks. In shape athletes often have heart rates lower than 60 though.

Here's a few articles related:
http://www.livestrong.com/article/78113-effects-less-beat-per-minute/
http://www.webmd.com/heart-disease/tc/bradycardia-slow-heart-rate-overview

That's TOOOOOOO low!! Check your pulse. Are you on meds that make your pulse low? Are you an athelete? Are you dizzy? Do you have a cardiac history? If it's correct at 39, then you should see a family doctor-it's not good to be that low, even for a conditioned athelete. You could have a serious cardiac problem and need a pacemaker-check it out, for your own good!!! Keep us posted!

My husband has a super low resting HR due to his bike racing. His is easily in the low 40s. He was under mild sedation last year and during recovery his HR monitor alarm kept going off cuz it dipped below 30. We were having a conversation at the time and the nurses ran in all panicky, then looked confused because he wasn't dead! Mine on the other hand is in the high 90s, and it is very difficult to get mine up past 125. He however has seen 200 in cross races many times. He tells me I am weird!

Mine is usually pretty low, just checked it and it's at 52 right now. Though I find that the more fit I am the lower it tends to be (I just finished a marathon this weekend so am at my peak fitness at the moment). 39 is quite low though, you may want to get it checked if there isn't some easily identifiable reason that it is so low. If you're not worried about it maybe just bring it up with your doctor at your next physical.

I went to see the Dr a few years back because I was feeling a little dizzy at times (turned out to be severe seasonal allergies) As the Dr was eliminating the causes of my dizziness they made me where a heart halter monitor for 24 hrs to record my heartrate. During sleep my pulse would get down 25-30 bpm. Resting heart rate while I was awake was around 50-60 bpm. A Cardiologist looked at the report and determined that it was low but the rythym or pace was fine and there was no reason for concern. He did indicate in my older age that I would need a pacemaker possibly.

I went to see the Dr a few years back because I was feeling a little dizzy at times (turned out to be severe seasonal allergies) As the Dr was eliminating the causes of my dizziness they made me where a heart halter monitor for 24 hrs to record my heartrate. During sleep my pulse would get down 25-30 bpm. Resting heart rate while I was awake was around 50-60 bpm. A Cardiologist looked at the report and determined that it was low but the rythym or pace was fine and there was no reason for concern. He did indicate in my older age that I would need a pacemaker possibly.

I guess my husband should probably ask his doctor about it then. We just figured it was because he was in such good cardio condition, but he is 44 now, so he might better check it out.

Thanks :-) ... 32 today!