These simple habits may help reduce nighttime digestive discomfort.
Reviewed by Dietitian Jane Leverich, M.S., RDN
Key Points
- Certain evening habits may help your body digest overnight more comfortably.
- Dietitians share five evening habits that may help reduce symptoms that could interfere with sleep.
- Including fermented foods in your diet and prioritizing sleep may also support gut health.
Gastrointestinal activity naturally slows overnight. If you’re prone to heartburn, bloating or stomach discomfort, certain evening habits may help your body process dinner more comfortably and reduce symptoms that could interfere with sleep.
Fortunately, supporting overnight digestion doesn’t require a complicated routine, just slight modifications. From timing your evening meal to choosing cooked vegetables and taking a gentle walk, these five dietitian-recommended habits may help you prepare your digestive system for a more comfortable night.
1. Don’t Go to Bed Immediately After Eating
Although you can digest food while lying down, it may not be ideal for supporting overnight digestion. During sleep, stomach activity decreases, intestinal contractions slow and colonic movement is suppressed. Additionally, esophageal contractions reduce, and the lower esophageal sphincter—what keeps food from moving from the stomach back up—may temporarily relax, making reflux more likely.
Staying upright after eating gives your body time to begin digesting before these sleep-related changes occur, which may reduce heartburn, regurgitation and other acid reflux symptoms.
2. Prioritize Cooked Fiber-Rich Foods in the Evening
A big salad can be a great way to consume lots of veggies, but it may not be the best for supporting overnight digestion. “Cooking helps soften the fibers, which can make it easier for your gut to process,” explains Amanda Sauceda, MS, RD.
Heat softens vegetables’ cell walls and changes their fiber structure. Research suggests that steaming and boiling vegetables like broccoli, cauliflower and Brussels sprouts may decrease insoluble fiber while increasing soluble fiber. Cooked vegetables still contribute to your daily fiber intake, but their softer texture may be more comfortable for some people to eat and digest in the evening.
3. Try Diaphragmatic Breathing
Practicing breathing techniques before a meal can help prepare the gastrointestinal tract for food and digestion. “Diaphragmatic breathing is a type of deep-belly breath work that can help ease digestive symptoms like bloating, constipation and cramping,” explains Avery Zenker, M.A.N., RD., Diaphragmatic breathing helps with digestion by promoting a “rest and digest” state, while also massaging internal organs, notes Zenker.
Place one hand on your stomach and the other on your chest, and breathe in slowly through your nose, feeling your stomach expand outward. Breathe out slowly as if you’re blowing out candles or blowing through a straw, noticing how your stomach moves inward.
4. Incorporate Gentle Movement
Adding some movement to your nightly routine is one of the best habits you can adopt for digestion. “Walking activates your digestive muscles and helps move food through your gastrointestinal tract more efficiently,” explains Payton Brewer, M.S., RDN, LD, CPT. Walking may stimulate the gastrointestinal tract’s propulsive movements and help gas and other contents move along, rather than accumulate and contribute to pressure or discomfort. Conversely, “sitting in a slouched position all evening can cause [digestive] contents to move too slowly in the GI tract, which leaves more work for the gut to do during sleep,” adds Zenker.
5. Avoid Eating Too Late
Zenker recommends finishing your meal at least two to three hours before bedtime to support your body’s natural circadian rhythm. The gut microbiome also follows a circadian rhythm. The number and type of gut bacteria, their location in the gut and their metabolic activity fluctuate throughout the day. Meal timing may help regulate gut microbiota activity, acting as one cue for the gut’s internal clock. Eating late at night—when intestinal and colonic activity slows—may disrupt the gut microbiome’s daily pattern.
The combination of stress and late-night eating may be particularly harmful to gut health. Zenker references recent research that observed increased bowel issues and a less-diverse gut microbiome among individuals with high stress who consumed more than 25% of their daily calories after 9 p.m. That said, this type of research can show an association, not necessarily that late-night eating or stress directly caused these changes.
Other Strategies to Support Gut Health
- Get good sleep. Emerging research on the gut-sleep connection suggests that the gut could influence sleep and vice versa. “There is thought that lack of sleep can contribute to gut dysbiosis and changes in the gut barrier,” elaborates Sauceda. To support gut health, aim for seven to nine hours of sleep nightly.
- Practice good meal hygiene. Being relaxed promotes better digestion, notes Zenker. She recommends mindful eating, thorough chewing and moderate meal size and spacing to encourage healthier digestion.
- Include fermented foods in your diet. Research suggests that diets higher in fermented foods—such as kefir, kimchi and fermented vegetables—are associated with increased microbial diversity and reduced inflammatory markers, notes Brewer. Try to eat a few servings of fermented foods weekly to support gut health.
- Mind the gut-brain connection. “The gut and brain are in constant communication through the vagus nerve, and chronic stress can slow digestion, alter gut bacteria and worsen symptoms, such as bloating and irregularity,” shares Brewer., Signals in the gut can affect the brain, while your emotional state can influence how your digestive system functions and feels.
Our Expert Take
Although your digestive system works overnight, some habits may help support it, helping you digest better overnight. Finishing dinner a couple of hours before bed, remaining upright after eating and incorporating a gentle walk can support gastrointestinal movement and reduce discomfort. Ultimately, digestion is highly individual, so experiment with these strategies and stick with the habits that help you feel your best.