Step 1: Determine what a man actually sleeps on.
A man normally sleeps on a bed. Step 2: Find what "bed" is called in the question.
According to the coding:
'bed' is called 'window'. Step 3: Conclusion.
So if a man sleeps on a bed, and "bed" is now referred to as "window", the correct answer is:
\[
\text{Window}
\]