What We All Need

Riddle: I do not exist. you cannot feel me or hear me, but if I were not to be you would all pass today.

Answer: Tomorrow, because it does not exist you can't feel it or see it but if it would not come we would all die today.

Source: https://www.riddles.com/3924

I do not exist. you cannot feel me or hear me, but if I were not to be you would all pass today. — What we all need by Dan walter v1.

Riddle: I do not exist. you cannot feel me or hear me, but if I were not to be you would all pass today. Answer: Tomorrow, because it does not exist you can't feel it or see it but if it would not come we would all die today. — by Dan walter v2.