Discerning is the answer to your question.
Answer:
well, you never know
Explanation:
you know every human being has their way of living and some are weird, that might be one of ours, which we don't see ourselves but someone else. so, what I'm saying is that, who cares!!
They are there because people believe they are from not enough sleep but some people get them from genes. Genes are things you get from your parents.
Hope this helps!!
This is not a question unless it is true or false, in which the answer would be true.
