Dreams usually happen when we are asleep but our minds are awake. An average Human dream 3-5 times a night, We hardly remember one of them. So, maybe you do dream its just that your mind was at a sleepy stage and you can't remember. We all know after dedication we all feel peaceful inside so...
Our dreams are manifestations of desires which relate to obsessions and it is very usual for us to dream about ourselves showing affection to our crushes or vice versa. I am not saying that it does not mean anything. But It is usual to receive dreams like this and they are normal.