It means 1 of 2 things. Either he wants to talk to you, or he wants company tonight and does not want to say so in writing.
The 2 words cannot tell you which, because they were built not to. "You up?" asks only if you are awake. It lets him find out if the door is open before he says what he wants. So the answer is not in this text. It is in the next one, and in what he does in daylight.
Free to try. We never store your chats.
Search "you up text meaning" and most answers say the same thing: it is a late-night invite, nothing more. Sometimes that is true. But that answer is about a stranger at 1:47am, not about the person whose name just lit up your screen.
Some people send "you up?" because they could not sleep and you were the person they wanted to talk to. Some send it to anyone who might say yes. Same 2 words. A list cannot tell you which one he is.
If you want to read the hour itself, and what a message after midnight usually means, that is covered in he texted me at 2am. This page is about these 2 words and what to do with them.
"You up?" is not the real message. It is the knock. What he says after you answer is the message.
If this is not the first time, you already have the second message. Go back and look at what came after the last "you up?", and whether he texted you the next afternoon.
Whether he exists in daylight. If he also texts you at 3pm, asks about your day and makes real plans, a late "you up?" is just one more way he reaches you. If "you up?" is almost the only way he ever shows up, that pattern is the answer.
Who you are to each other. From a partner it is ordinary. From a new crush it is a small risk he took. From an ex it often means a bad night, and you are the person he reached for.
What you want. Both readings can be fine. A late talk can be lovely. A late invite can be what you want too. The problem is only when you want 1 and keep answering as if it is the other.
At 1:47am, whatever you type, you cannot take back. People write 4 replies and delete all 4. You do not need a clever one.
If you are awake and want to answer, keep it short and hand the next line back to him. Something like: yeah. what's up
That answers the only thing he asked and makes him say the rest of the sentence. Now you can read his second message instead of guessing about his first. Do not answer "you up?" with a paragraph, and do not ask "what do you want." He will say "nothing, just bored," and you will know less than before.
If you were asleep, you can answer in the morning: was asleep. what's up? How he replies at 10am tells you a lot.
If "you up?" only ever comes after midnight, the plans never come, and you want more than that, you do not have to answer tonight. Not as a punishment. You are simply not available at 2am for something that is not there at 2pm.
If you have asked him to stop texting you, you do not owe this message a reply. Silence is a full answer.
And if you are going to answer mainly because you are lonely and awake, wait for morning. The reply you send at 2am is the one you reread at 9am.
You paste the conversation and it reads "you up?" against him rather than against a list — when he usually texts you, what came after the last late message, and whether this is his normal or a change.
Then it writes the reply back in 4 tones, and tells you if the better move today is to wait instead of sending anything.
Try it on your conversation