The CNP Dietary Intake Timing (Chrono-nutrition) Research Category consolidates research exploring the frequency and timing of our daily dietary intake. Recent studies suggest that when we eat, termed “chrono-nutrition,” may be as important as what we eat (Abdi, et al., 2020). “Chrono-nutrition” is an emerging area of study which refers to eating in coordination with the body’s daily rhythms and has a big impact on feeding behaviors (Di Stefano, 2019).
To view each original study on the open internet, click “Original.” To view the CNP-written abstract summary, click “CNP Summary.” While only some of the CNP-written abstract summaries are available below for free, all abstract summaries are available to CNP members through the CNP Library Membership.
The 2021 study investigates the relationship between time-restricted feeding and mental health outcomes in southern Italian adults. Since the growing mental health problems seem to be influenced by modern society, unhealthy lifestyle, and harmful dietary habits, some people have suggested dietary strategies such as feeding regulation and fasting to prevent and treat mental health diseases. In this present study, food frequency questionnaires were used to calculate the dietary consumption of 1572 adults. The participants were asked what time, on average, they consumed their meals. The researchers wanted to find out who was eating within 8 hours or less of their previous meal. These dietary characteristics were then analyzed on their correlations with depressive symptoms, perceived stress, and sleep quality. Time-restricted feeding was not related to mental health outcomes after adjusting the analysis model for potential confounding factors. However, there were notable results when performing the analyses by age groups. Individuals over 70 years old with feeding time windows of 8 hours were less likely to exhibit signs of mental health issues than those with no feeding time restrictions, regardless of the quality of their diets. This relationship was maintained after adjusting for having dinner but disappeared after adjusting for having breakfast. In conclusion, restricting the daily feeding window of time is linked with fewer symptoms of mental health distress in adults older than 70 years.
Feasibility of time-restricted eating and impacts on cardiometabolic health in 24-h shift workers: The Healthy Heroes randomized control trial
Daytime eating prevents internal circadian misalignment and glucose intolerance in night work
Gut microbiota as a transducer of dietary cues to regulate host circadian rhythms and metabolism
Time for food: The intimate interplay between nutrition, metabolism, and the circadian clock
Time-restricted feeding prevents depressive-like and anxiety-like behaviors in male rats exposed to an experimental model of shift-work
Association between irregular meal timing and the mental health of Japanese workers
Night eating model shows time-specific depression-like behavior in the forced swimming test
Personality, chrono-nutrition and cardiometabolic health: A narrative review of the evidence
Chrono-nutrition: The relationship between time-of-day energy and macronutrient intake and children's body weight status
Shift workers have a similar diet quality but higher energy intake than day workers.
Timing and composition of last meal before bedtime affect sleep parameters of night workers
Association between time restricted feeding and cognitive status in older Italian adults
Effect of consuming a late-night high-protein/moderate-carbohydrate vs. low-protein/high-carbohydrate meal by night workers on their food perceptions later during the day: A randomized crossover study.
An examination of eating misalignment: The discrepancy between preferred and actual timing of food intake.
Time restricted feeding and mental health: A review of possible mechanisms on affective and cognitive disorders