不等于,但可以这样转换：It's time to go to bed now;
1:for可以用to go to来代替；
2:for后面直接接sth；
3:to后面接动词原形,构成不定式结构；
It's time for sth=It's time to do sth;
It's time for sb to do sth:该到某人做某事了；