NOT KNOWN FACTS ABOUT RIDDLE

Q: I weaken all Gentlemen for hours every single day. I explain to you strange visions when you are absent. I just take you by night time, by working day consider you back again. None go through to get me, but do from my deficiency. What am I?Concern: Rework the word "CAT" in to the term "Pet dog" by modifying one letter at any given time, with Eve