On a normal 8-to-5 day, I can easily fit in a 5:15 a.m. spinning class or a morning run.

CNN: The key to fitness? Schedule it in

That doesn't mean that I bounce out of bed at 4 a.m. on the days that I go to the local YMCA for the spinning class, that I haven't wanted to stay in bed on a cold, snowy morning instead of heading across town to do swim drills.

CNN: The key to fitness? Schedule it in