Ann N Y Acad Sci 1212:97113 Berthoud H-R (2002) Multiple neural systems controlling food intake and body weight
So I'm going to do two answers because I want to say what I was going to say for the prior one as well, which I think a misconception I've had is that if you're doing a one-meal-a-day situation, that it would be easier to always do it at the same time
Improve with simple treatments like stretching or drinking water
The pain is usually mild and localized to the stretched muscle groups
Barrea L, Arnone A, Annunziata G, Muscogiuri G, Laudisio D, Salzano C et al (2019) Adherence to the mediterranean diet, dietary patterns and body composition in women with polycystic ovary syndrome (PCOS)
Unless there is a clear, consistent pattern between eating a specific food and experiencing a reaction, its more likely that a chronic infection is going through periods of activity and dormancy, causing symptoms to come and go