Twenty Years After by Alexandre Dumas Chapter 19 Page 13

It is true that she had not, perhaps, been scrupulously faithful to him, but she had remembered him; that was something.

So the duke had more than enough to think about; accordingly he fared at chess as he had fared at tennis; he made blunder upon blunder and the officer with whom he played found him easy game.

But his successive defeats did service to the duke in one way — they killed time for him till eight o’clock in the evening; then would come night, and with night, sleep.

So, at least, the duke believed; but sleep is a capricious fairy, and it is precisely when one invokes her presence that she is most likely to keep him waiting. The duke waited until midnight, turning on his mattress like St. Laurence on his gridiron. Finally he slept.