Significance of Sleep(0)

Question

I used to see Sleep(0) in some part of my code where some infinite/long while loops are available. I was informed that it would make the time-slice

Answer 1

Sleep(0) is a powerful tool and it can improve the performance in certain cases. Using it in a fast loop might be considered in special cases. When a set of threads shall be utmost responsive, they shall all use Sleep(0) frequently. But it is crutial to find a ruler for what responsive means in the context of the code.

I've given some details in https://stackoverflow.com/a/11456112/1504523