A Little Riddle -Its a pretty bad riddle but hey..

перевести 11 лет назад

A Little Riddle -Its a pretty bad riddle but hey, its something to write. Put answers in the comments.-You can not see me, no one tries. I come to everyone, no matter how strong. You know of me, but you do not know ME. I come at night, and sometimes at day. What am I?