Severus Snape fears the dark and what it is capable of so what do you do when the light that has kept you safe for so long tells you its time to extinguish it?

How can I possibly summerise this! Ok... well...think along the lines of Chav rappers meet evil death eaters....throw in a hell of a load of insanity, question your own and mine, have a stiff drink and you might be ready to read this!

It's late and Hermione can't sleep...could a night time wander on the castle grounds be the answer to her insomnia? SSHG implied