If there is no response and not breathing or not breathing normally, position the infant on his or her back and begin CPR. Give 30 gentle chest compressions at the rate of 100-120/minute. Use two or three fingers in the center of the chest just below the nipples.
source :CPR Instructions For Infants and Small Children
depts.washington.edu/learncpr/infantcpr.html
The answer is either he is using his large muscles or his body heats up but I am not sure which one sorry hope I helped a little
B i'm pretty sure. hope this helps
B. health problems!
hope that helps!