After answering this question perhaps 10 or 15 times over the past 2 years, this contributor just thought of a different way to explain it. See how you like this one: The "night" sky is the sky...
Um, not really clear on what your question is about, but there is a song by the black eyed peas called "I've Gotta Feeling" with those lyrics in it if that's what ur talking about
Flowers that bloom at night are trying to attract night flying insects and animals to pollinate them. Such flowers are usually pollinated by moths and (strangely enough) by bats.