Joint and several

Here we are all, by day; by night we’re hurl’d
By dreams, each one into a several world.

Robert Herrick
A short sweet poem I have always loved.
“Each one into a several world” is a lovely usage. Here several means not many but individually distinct and separate from each other. By day we are all but by night we are hurled into our separate worlds, the world of our dreams.Each one of us has to dream his own dream and enact it all by himself. We have no choice to  choose  our dreams  but are hurled into them  and have to play the part assigned to us in them,pleasant or unpleasant.
“Hurled” is reminiscent of Milton’s “hurled headlong” in Paradise Lost. The fallen angels are hurled headlong into hell.
 Dreams are an extension of  sleep  like death from which there is no waking up.By night  each of us  has to face his several world of dreams alone , unlike by day when we are all together.