One of the few areas Lan trusts Raven with is seeing that Moiraine sleeps and eats. He doesn't trust the bird with her dignity, and he would always rather be there himself to make certain, but he's not truly worried that she'll exhaust herself more tonight.

There are other questions. To ask them aloud, he'll wait until Nynaeve returns.

So he only holds Moiraine's eyes in turn, head tilting fractionally, and glances for an instant at Raven after he speaks.