What Feelings Do at Night

We already know how Feelings spend their time - how Curiosity will climb the highest branch of the tallest tree, and how Joy can be found endlessly bouncing on a trampoline. We know what Feelings like best - that Nostalgia loves decorating the Christmas tree, and that Patience is happiest when making delicious Jam for her friends. But what do Feelings do at night, when the sun has gone to bed and the rest of the world is fast asleep?