He could sleep when he lived alone...implying that now he no longer lives alone and now he can longer sleep. Why don't you sleep when you live with someone? A myriad of reasons.
The ghost could be a metaphior for something haunting him, or he could be blaming a "ghost" for not being able to sleep instead of acknowledging what is actually bothering him.
You guys are reading too much into this.
He could sleep when he lived alone...implying that now he no longer lives alone and now he can longer sleep. Why don't you sleep when you live with someone? A myriad of reasons.
The ghost could be a metaphior for something haunting him, or he could be blaming a "ghost" for not being able to sleep instead of acknowledging what is actually bothering him.