If a girl say gn (good night) and is till online what does it mean?

Anonymous
Well I was chatting with a girl yesterday
and we continued the conversation for hours and we fflirted jokes and all those stuff
but after 2-hours she said im sleepy I will text u tomorrow k

And I said ok np gn swt dreams

But she never went offline. She went offline after 2 hours when our conversation was over.

What do u guys think!!
was she lying to me
is there another guy
im overthinking it
and yes she is single.
opinions plzzz
Updates
+1 y
By the way we were using whatsapp
If a girl say gn (good night) and is till online what does it mean?
5 Opinion