Model Miranda Kerr has sparked an online conversation about meal timing after revealing that her four sons eat dinner at 4:30pm daily. The supermodel, who shares 13-year-old Flynn with ex-husband Orlando Bloom and younger boys Hart, aged seven, Myles, aged 6, and Pierre, aged 20 months, with husband Evan Spiegel, explained the routine on The Him and Her Show podcast. “4:30 dinner is myself and the kids. Obviously not my husband, except for on the weekends,” Kerr said, noting that it gives the family relaxed time together before bedtime.
For many working parents, such an early meal seems unrealistic with school schedules and late activities. Still, Kerr’s approach draws attention to the growing science of chrononutrition, which explores how eating in sync with the body’s circadian rhythm can affect health. As clocks turn back for daylight saving time this weekend, experts suggest that earlier dinners may offer simple, meaningful benefits for heart and metabolic health.
Gabriel Ettenson, MSPT, chief medical officer at Hypervibe, a wellness technology company, supports finishing evening meals before 6pm. “Research from the American Heart Association on meal timing and frequency says that irregular eating habits may make it harder to maintain a healthy heart and metabolism,” he said. According to Ettenson, consistent earlier meals help digestion, sleep and cardiometabolic stability.
The American Heart Association’s 2017 statement, Meal Timing and Frequency: Implications for Cardiovascular Disease Prevention, authored by Marie-Pierre St-Onge and Penny Kris-Etherton, found that irregular eating patterns such as late dinners or frequent snacking can impair lipid profiles, insulin resistance and blood pressure. It concludes that regular, earlier meals improve cardiovascular outcomes without requiring calorie restriction, while cautioning against extreme eating windows, which a 2024 study linked to higher cardiovascular death risk.
It improves digestion and metabolism
The body digests food more efficiently during daylight when circadian rhythms peak. Late meals push this process into rest hours, increasing strain on metabolism and the likelihood of weight gain. A 2023 NutriNet-Santé study of 103,000 French adults found that later mealtimes were linked to higher cardiovascular disease risk, especially in women. The US National Institute of Diabetes and Digestive and Kidney Diseases recommends finishing dinner at least three hours before sleep to allow full digestion and prevent bloating.
It supports better sleep
Eating too close to bedtime can raise body temperature and interfere with the natural cooling process needed for deep sleep. The Sleep Foundation warns that meals within two to three hours of bed can trigger indigestion and reflux, disrupting rest and raising cortisol levels. Mayo Clinic gastroenterologist Joseph Murray advises remaining upright after eating to help digestion, while studies in the Journal of Clinical Sleep Medicine show that early dinners improve slow-wave sleep, which aids recovery and immunity.
It reduces late-night snacking
When dinner is delayed, hunger hormones like ghrelin surge, increasing cravings and the likelihood of overeating. Ettenson notes that this can add unnecessary calories and metabolic strain. Research in Nutrients journal associates habitual nightly fasting of 12 to 14 hours with lower obesity and improved insulin sensitivity. Families that eat earlier often report fewer evening snacks, a simple way to manage energy intake.
It lowers acid reflux risk
Finishing dinner early gives the stomach time to clear before lying down. Research shows that eating within three hours of bed doubles the risk of acid reflux. The National Institutes of Health estimates that one in five adults experience reflux symptoms, which worsen with irregular meals. Consistent early eating reduces acid build-up and helps prevent discomfort.
Ettenson recommends small, gradual shifts for those with tight schedules. “For those struggling to implement an earlier dinner time due to work schedules, I recommend a gradual approach. Even moving dinner 30 minutes earlier each week until you reach your target time can make a difference,” he said. “Families with young children might find this schedule particularly beneficial, as it allows more time for evening activities and promotes better sleep routines. The beauty of this approach is its simplicity. Unlike complex diets, simply shifting dinner earlier requires minimal effort but potentially offers significant health rewards.”
As winter approaches and daylight wanes, nutritionists like Ilana Muhlstein suggest that aligning meals with natural light cycles can help maintain energy and mood. While not a substitute for other lifestyle factors, growing evidence supports meal timing as a practical way to protect heart health and improve sleep quality.