We 've been starting individual work - outs at 6 : 00 in the morning this fall .
I know that if I changed it to 4 : 00 am , their efforts would be exactly the same .
We 've been starting individual work - outs at 6 : 00 in the morning this fall , and I know that if I changed it to 4 : 00 am , their efforts would be exactly the same .