I guarantee I've seen someone sleep harder.

[ Namely, Torak. But that's not something he's going to get into easily. Instead-]

I could almost certainly keep you awake, if it came down to it. My family and I have some abilities that have proven useful over the years, to put it plainly.

[ He tips his chin towards the nearest vertical surface.]

We can test that sometime, since it won't caues you harm.