The short answer
Textiety is the anxiety that shows up specifically around text messaging — rereading a message before sending it, obsessively checking for a reply, and reading meaning into silence that isn't necessarily there. It's not a clinical diagnosis. It's a name for a very specific, very common experience: the phone becomes a source of dread rather than connection, one thread at a time.
The research
People higher in social anxiety are significantly more likely to read the same neutral text message as negative.
— Kramer and Winter, Computers in Human Behavior, 'RU mad @ me?', 2015
Where the anxiety comes from
Texting strips out almost everything that makes in-person communication legible — tone of voice, facial expression, timing context. What's left is a bare string of words and a silence that could mean anything. Research on ambiguous text-based communication has found that people higher in social anxiety were significantly more likely to read the same neutral message as negative. The ambiguity is real. The negative reading is added by the reader, not the sender.
That reframes the problem. Textiety isn't evidence that your texts are actually landing badly. It's evidence that an information gap — three hours of silence, a one-word reply, "seen" with no response — is being filled in by whichever explanation your anxiety finds most available, which is rarely the most likely one.
Why it feels worse at night
The gap between sending and hearing back doesn't shrink at night, but the number of things competing for your attention does. With fewer distractions, an unanswered text has more room to be the only thing on your mind, which is part of why a message left unanswered at 11pm can feel more urgent than the identical situation would at 2pm.
What doesn't reliably help
Turning off read receipts removes one piece of ambiguous information but not the underlying interpretation bias — the anxious reading of silence tends to shift to whatever data is still visible (online status, typing indicators) rather than disappearing. Rereading your own sent message for a hidden tone problem also rarely resolves anything, because the research suggests the negative interpretation usually comes from the reader's anxiety, not from anything actually wrong with the wording.
Want to see this pattern in your own thinking, not just in the research?
What actually seems to help
The most consistent finding across anxiety research generally — not texting-specific, but applicable here — is that marking the anxious thought when it occurs, rather than trying to reason your way out of it in real time, tends to reduce its grip faster than analysis does. That's a different move than reassurance-seeking (asking a friend "does this seem bad to you?") or over-analysis (rereading your own message six times). It's closer to just noting: this is the spiral, it's happening now, and moving on.
Over time, seeing how often the spiral happens, how long it typically runs, and how often the feared explanation turns out to be true gives you something more durable than a single reassurance ever could: your own track record.