GOOD GHOSTS DO NOT APPEAR AT NIGHT WITH NOISE TO SCARE
The Civil Writer Magazine When viewing the adventures of ghost hunters or ghost busters the encounters are always with a tormenting ghost known as a poltergeist perhaps the best-known and most feared type of ghost. It is a spirit that is said to harass and torment its victims. Why there are poltergeists and not Caspers aka friendly ghosts is determined by the tormented life they lived or their death whether by suicide, murder or tormented from slavery, prison or a mental institution.
Maybe like most you you cannot consider there are good ghost out there who would say "happy to see you" besides booh! The most common of these ghosts are usually someone you know, a family member. Usually to meet this type is soon after death and they often show themselves to others in a variety of ways other than at night.
My experience from my own senses is that tormented ghosts cannot find peace so they remain at their last residence, outdoors, in graveyards, battlefields and historical sites but good ghosts find their way to a peaceful place of rest. So if you happen to see a lost loved one, chances are they are there because they feel you want or need to see them. Not revealing themselves with loud knocking sounds, lights turning on and off, doors slamming, even fires breaking out mysteriously. When good ghosts appear it is not by sight but by vortex (air) frequently associated with a cold spot.