The first verse may contain a raging war that is forever swirling in his head and in his dreams. It could represent his mental stability and the emotional pain he is feeling; his mind is a dark chaos and he feels he is being swept into the rip-tide that casts him out into the endless sea of his dreams. The inclusive language of "us" means that he is aware that he isn't the only one being thrown into the abyss of his mind.