My clock chimes at 4:30 am. Yesterday morning I turned it off and went right back to sleep. I awakened again at 4:45. I emerged from the bed, dressed, and headed to the gym. I got in a good workout, and felt fine the remainder of the day.
Clearly, I needed those 15 additional minutes. Sometimes you just have to listen to your body.
I listened to my body again this morning and decided it needed a rest from the gym. Yes, I was packed for the gym and ready to go when I headed to dreamland, but I knew at that point I was going. My body was tired and needed the rest.
Right now I feel refreshed.