Quote Originally Posted by kelownagirl View Post
I have taken mine for the past 5 mornings and it has been 68, 66, 68, 70, and 72 this morning. Not sure why it is going up but I was out late last night, drank wine, and also did a hard ride yesterday.
If you don't sleep well...
If you have had caffiene...
If you have been drinking...
If you have been riding...

These things will elevate your heart rate for hours past when the sleeplessness/cuppa/party/ride happened.

A really hard race, or a tough century may have your HR elevated for 2, 2 1/2 days...