They were very tired, and curtained from each other by the darkness.

The light from one lantern fell upon a few ropes, a few planks of the deck, and the rail of the boat, but beyond that there was unbroken darkness, no light reached their faces, or the trees which were massed on the sides of the river.
Soon Wilfrid Flushing slept, and Hirst slept.

Hewet alone lay awake looking straight up into the sky.

The gentle motion and the black shapes that were drawn ceaselessly across his eyes had the effect of making it impossible for him to think.

Rachel's presence so near him lulled thought asleep.