Ok, this is possibly a very stupid question, because I actually got possibly the most blatant IOI I can think of. A lot of kissing. But I'll just break it down as to why I have my doubts.

A: She was drunk out of her face. It was a pretty small gathering. Me, 2 other friends (They're together) and her, a friend of one of theirs. For most of the night, there hadn't been many IOIs. A little eye contact, that was about it.
B: Shortly before the kiss, and halfway through, she said to me "Don't expect anything more." A little confusing, considering how different what we were doing both times was.
C: She's "Not looking for a relationship", and doesn't seem the type to let anything else happen without that particular tickbox marked.
D: The next morning, she barely even looked at me. Thinking about it, this is the third time that's happened, each with different girls. They wake up the next morning and avoid any form of eye contact or conversation with me.

Any suggestions on what I can do to close with her, or at least clarifications on what was going through her mind?

here are my thoughts

A)like the classic saying - "a drunk person says what he really thinks but was too ashamed saying it sober".
if she liked you before she will also like you better when drunk probably

B)that's a classic teaser. the fact she's saying it to you is because she thinks about it.

C)how do you know she does not look for a relationship? do you?

D)so eventually you had sex with her and she ignored you that morning or you saw her at one of your social hang outs?

I'm not sure what I'm looking for, but she said that she "doesn't do dating"

And we didn't eventually have sex, she just fell asleep on me When she woke up, very minimal talking from her.

Sounds like a dead horse to me. Try getting on with other things and see how she responds to that.

Yeah, likely to give that a shot. Best cure for one-itis lol

Party of 4 people and she only gave you a little eye contact - thats bad, when there are only 4 people you are supposed to get lots and lots of eye contact from everyone, especially from the one you consider dating/hooking up.
So there is a clue she is not in to you.

Morning and she does not speak to you, does not look at you etc - also bad.

I would agree with dead horse here.

Yeah, I'm gonna leave that one aside for now. Keep an ear out for anything from her friend, but not putting any solid gold eggs in that basket.

#1. I know this from experience. if you don't fuck girls, they will find someone else they can't. And you will loose them.

#2. When girls say there not looking for a relationship, what there saying is there down to fuck, but that's about it. Girls wanted just as bad as guys.

#3. If you have not slept with a girl, you have to do sexual push/pull for the first time. Or else, you will get LMR. When I start making out with a girl, I will be the first to end and go do something else. Then start again, etc...

stop listening to the stupid shit that comes out of girls mouths,

WHAT DO YOU WANT?

DO YOU WANT HER?

don't think for her, try to fuck her, and persist until rejection has become concrete, or she becomes a giant waste of time (flaking, non compliance, etc.)

what she did there was typical, and has no relation to what is going on, it is the equivilent to a girl sucking you off when she has a boyfriend saying,

TEEHEE IT ISN'T CHEATING CAUSE YOU NEVER FUCKED ME,

or the typical,

WE'RE NOT HAVING SEX TONIGHT

forget what girls say, watch what they do, go for what you want, and don't be concerned with what she thinks, just with how she feels

no girl wants to feel like she was easy, being viewed as a slut is a big anxiety for alot of girls, don't judge them and be discreet, make sure they know you won't judge them and are discreet

GOOD LUCK

man. if she went to sleep with you, you could have start cuddling all over her and send out your arms. that's why she was in bed with you, she probably wanted you to shift gear...

i think you are to scared about your thoughts instead of going for what you want.
what do you care? try out stuff and see what happens.

RJ has a good saying that goes: "If I don't know what to do next, I take a bold step forward".
So this should be your mindset for stuff like this.

and here is a tip: if she says "I don't do dating" ask her with a small smile: "so you just like random sex ah?"
see her reply than...

If you're getting the cold shoulder in the morning you're not building enough comfort with her bro. Before the seduction phase, try connecting with her emotionally so she feels more comfortable around you. Get her to invest more in you during the night so ignoring you in the morning will seem like a shitty thing to do.