There are processes that take place in the dark. So yes!
Ask yourself where in the world plants veg under 24 hours light? They evolved with dark periods. Same as people, we ned dark periods.
What attachment society has in our estimation of our view of our sense of self, is certainly powerful. To reject societies view is a search for higher meaning in all the chaos and apparent order to our experience. The conclusion will be long after we are gone. It appears much else other than search is but chaos. To say it's found implies attachment. Freedom is not attachment, yet all things are bound. Nothing is without consequence so meditate on reactions obtaining higher understanding of the formations. Less reaction, less consequence. Somewhere there is law, there is karma. To be less of an actor and more of a witness. Just watching the structures do their business.