I drank it off, and cast the dregs at an inquisitive rat that had thrust its head above the boards.

Then I quenched the light, and flung myself once more upon my bed, in the hope that darkness would prove a stimulant to thought and bring me to the solution I was seeking.

It brought me sleep instead.

Unconsciously I sank to it, my riddle all unsolved.
I did not wake until the pale sun of that January morning was drawing the pattern of my lattice on the ceiling.

The stormy night had been succeeded by a calm and sunlit day.