The objective of the research was to evaluate the relationship between the variation of circadian rhythms through the quality of sleep, the dietary pattern and nutritional status of adults in the districts of Punchana, Villa Belen, San Juan Bautista and Iquitos in 2024. The methodology was quantitative, non experimental, descriptive, with correlational and cross-sectional design. The sample included 1463 adults between 18 and 59 years of age. Data were collected through validated questionnaires, such as the Pittsburg Test for sleep quality, food frequency surveys and standardized anthropometric measurements. The results revealed a high prevalence of poor sleep quality in all districts, with Iquitos leading (71.1%). In terms of dietary pattern, San Juan (58%) and Belen (57.7%) presented a higher proportion of healthy patterns, a significant percentage of the population in Punchana and Iqu...