What is another word for late-night hour?
Pronunciation: [lˈe͡ɪtnˈa͡ɪt ˈa͡ʊ͡ə] (IPA) 
Nighttime is a time where many people feel the most alive and creative. When the clock strikes late, the world slows down and takes on a different rhythm. However, it can be challenging to come up with fresh and descriptive vocabulary for those late-night hours that we all know so well. There are a lot of different phrases one can use to describe the late-night hour, such as the wee hours, the witching hour, the graveyard shift, or the dead of night. These phrases help to describe a sense of mystery or danger, as well as the quiet and peacefulness that comes from being awake when everyone else is asleep. In summary, there are plenty of synonyms to substitute for "late-night hour" that not only describe the time but also set the mood and evoke emotions.
