- The origin of "at night" to indicate a point of time and the usage of prepositions "in" and"at" In olden times, when the time expression "at night" was originated, night might have been thought as a point of time in the day because there wasn't any activity going on and people were sleeping that time unlike daytime.
At Night or In the Night? - English Language & Usage Stack Exchange
The spoken use of "night" as an informal, familiar version of "good night" (wishing one a restful sleep) is common, but I'm not sure what the proper written equivalent is - if there is one.
What can I say about a thing happened at night? Someone stole my phone at night. OR Someone stole my phone in the night. Which one is right to say?
At night or In the night - English Language & Usage Stack Exchange
I forgot where but I saw the word "night-time" written like "nighttime". Now is that correct or accepted? Can it be written as a single word? I am specifically concerned about British usage. I did
nouns - Can "nighttime" be used instead of "night-time"? - English ...
How exactly are the words 'evening' and 'night' used in English? Are there certain times when evening, and when night, are considered to begin? Do these periods overlap?