Read it through once

I am weary to-night and low in spirits. I cannot but think of Lucy, and how different things might have been. If I don’t sleep at once, chloral, the modern Morpheus--C_{2}HCl_{3}O. H_{2}O! I must be careful not to let it grow into a habit. No, I shall take none to-night! I have thought of Lucy, and I shall not dishonour her by mixing the two. If need be, to-night shall be sleepless....