[spoiler]he's basically Slaanesh throwing another tantrum but on a lower and sneaky level.[/spoiler] He had no time for such petty matters as sleep. Sleep was for the weak, they can easily be preyed on and their delicate throats ripped out. But perhaps he should sleep, seeing how he hasn't slept in a century. [spoiler]Yep, guy was batshit crazy and sleep deprived.[/spoiler]