Have you realized your dream of having a good sleep?
你实现了你的睡一个好觉的愿望了吗?
not yet.but i think i (will make )it one day
还没有,但是我认为有一天我会成功.
make it是个词组,参见下面的意思.
make it
1.办成,做到,成功；赶上,及时达到
2.在面试、考试、比赛等获得成功
3.成功
4.达到目标
Tim ran the 100meters in 9.96 seconds,and i have not seen better this year.
Tim跑100米用了9.96秒,我今年还没见过比这更好的（成绩）.
意思就是说Tim的就是最好的啊,因为它是做好的,所以没有见过更好的,理所当然的比较级.是不是你哪里理解错了?