While reading Nightwood, I was interested in the idea of Robin's memory wasting away as she dives deeper into the world around her. Robin's behavior kind of reminds me of the people in The Sun Also Rises, but it shows the effects of that behavior on the people around. I am not confident enough to say that Nightwood is also engaging with the party scene that Hemingway depicts, but I cannot help but notice some similarities. For example, Robin presents herself as a fun and energetic woman, but in the house she becomes a darker version of herself--especially after giving birth to Guido.
The part of the novel that made it more difficult to understand is that it is told from an outsider's perspective, so I am unable to really see into Robin's mind. The story feels a little voyeuristic as I am given all the details of the situation, but I am not let in to listen to the thoughts of any specific characters. Robin claims to not remember--maybe it is true--, but it could also be Robin's attempt to cope with something.
Unlike The Sun Also Rises, the party scenes are not very prominent in this novel. Maybe "memorable" is a better word. Every time I reflect on this story, I remember the scenes locked in a house. The party scene for Barnes' characters is more like the hotel room for Jake.