What does Sev do when he can't sleep?

"What does Sev do when he can't sleep?"

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He's a very mysterious being... Thinking , dreaming, learning new spells, hating people , thinking about Lily, loathing Harry and James, working up something new depending on Dumbledore and Voldemort.
In My mind he comes to my bedroom when he can't sleep...he'll pass out afterwards.
;)

I just have this picture of him, sitting por a fire, a decanter of fuego whiskey and an empty glass, and a book in one hand lying across his lap, with his head fallen back as he peacefully sleeps.....

the other image is pacing up on the parte superior, arriba of the castillo as he looks out over the grounds o up into the mountains and skies.......

Is he sleeping at all?
I can't imagine him lying on a bed, peaceful in his dreams...

Im guessing he would Read with a Alcholic Drink por his side o Grade papers o Brew a Potion o Patrolling the corridors He is not the type of person to just lie there and think of England he would need to be doing something worthwhile.

If Severus can't sleep he dreaming o thinking about Lily Evans.

I would imagen when he cant slpeep, he would roam the halls thinking and dreaming about Lily roaming aroung the halls at night like a bat.

he counts how awesome he is instead of sheep