Your posts were at 2:30 a.m. and 3:30 a.m. for me, here on the East Coast of the U.S. and I'm sleeping then and try not to post in my sleep

I don't know where you are, whether in Canada or elsewhere in the world, but if it was evening/night for you, I would have gone to bed if I felt like you described, maybe I would actually feel better in the morning! I would have had a nice shower/bath and set my alarm and seen if sleep could help.
When I get so I am supposed to have a party/people over and I suddenly don't feel like it, I adjust my expectations/what I'm going to do about it. Yes, I like the bathroom cleaned and a quick vacuum of the living room and most of the cat hair all over the sofas collected but to heck with upstairs, my personal space. I adjust my plans for food if necessary, deciding on "more" instead of "variety" and give up on anything elaborate, do store-bought desserts and munchies. I do a lot of "sitting" and let people swirl around me instead of trying to meet their needs; they're usually family or good friends and know my house and can get their own drinks from the refrigerator and I can talk or have the TV on low in the background, maybe make comments about commercials or whatever "game" or event is on. For our parties we often have three or four "areas" that have something going on and I'll drift between one or two but smile and decline anything active. Other people/kids have their moods and periods too so most people don't notice that I'm flatter than normal. I had a good bit of down time with my daughter-in-law last weekend while my husband and the grand kids were out at the store, etc. But no one commented on me/my behavior and everyone seemed to have a fine time and I had a less stressful one.