Hello,
Here's trying to make a long sotry short... I work TWO full-time jobs and as a result I only am able to grab 4 hours of sleep here and there. When I workout Iit DEFINETLY cuts into my sleep time (which I cant have when I get so little).
With the workout tapes I use it is supposed to be a 30 minute session with a 5 minute warm up and a 5 minute cool down. In the 30 minutes is 20 minutes of moderate cardio (enough to sweat and get the heart going I would say around 70-80%) and 10 minutes of high intensity (really sweating, probably around 90%). I can't do the whole 40 minutes most days though, but I can customize it so I can only do either the 10 minute or the 20 minute workout with the warm up and cool down.
Since (most days) I can only do one segment, which would be the most effective option?