What is it they you are trying to say.
It’s a instinct, it’s what we were born to do and can’t stop doing....... it’s a state of mind where you can think while you sleep and with out dreaming sleeping would be different without it.....
Answer:
If this is a riddle I would say to test her IQ and to see how inteligente she is.
The word subtract has the word Sub in the beginning of the word