From time to time Loki found himself restless and unable to sleep. He would pace his chambers then, trying to find anything that would help him to fall asleep. He had tried many things: Reading, practicing magic, throwing daggers at his walls. But nothing had worked so far. He paced up and down again, exasperated by the fact that he couldn't just lie down in bed and get to sleep.
A knock on the door got him to stop in his tracks.
"Who's there?" he called.
"It's me," Thor's voice was muffled through the door. Loki raised an eyebrow and opened it with a flick of his wrist.
"You're up late," Loki remarked when his brother had entered and clo