No, probiotics generally don't interfere with sleep; in fact, research increasingly shows they can improve sleep quality by positively influencing the gut-brain axis, reducing inflammation, and regulating neurotransmitters, though effects vary by strain, and some initial gas might occur with prebiotic-containing formulas. Studies link specific strains like Lactobacillus and Bifidobacterium to better sleep, reduced anxiety, and lower insomnia symptoms, suggesting probiotics are a promising complementary treatment, not a disruptor.
In summary, probiotics may improve sleep quality by regulating neurotransmitters, hormones, and inflammatory factors.
By reducing stress and anxiety levels, probiotics can create a calmer mental state, making it easier to fall asleep and stay asleep. Lower stress levels are also linked to fewer night-time awakenings, helping to promote deeper, more restorative sleep and allowing you to wake up feeling refreshed and well-rested.
We often get asked if you can take a probiotic before bed, well, some probiotic supplements that contain prebiotics could lead to initial bloating and gas, so these products might be best taken before bed. To learn more about prebiotics, read our article: What are prebiotics?
Studies have reported minor gastrointestinal symptoms, such as abdominal cramping, nausea, soft stools, flatulence, and taste disturbance, occurring in subjects receiving probiotics.
Over-the-counter probiotic supplements may compete with the healthy bacteria in your gut. It's best to get probiotics from the foods you eat. Probiotic foods include yogurt, kefir, sauerkraut and fermented fruits and vegetables.
Take probiotics with a small, balanced meal to buffer stomach acids and support passage into the gastrointestinal tract. Avoid combining probiotic intake with acidic or carbonated beverages.
How to improve your sleep to improve your gut health
Prebiotics are parts of food the body doesn't digest but that may be used by microorganisms. Prebiotics may trigger the growth of the "good" germs in the gut. Prebiotics mainly are in high-fiber foods. Probiotics and prebiotics also are added to some foods and come in the form of dietary supplements.
Stress. Concerns about work, school, health, money or family can keep your mind active at night, making it hard to sleep. Stressful life events, such as the death or illness of a loved one, divorce, or a job loss, also may lead to insomnia. Travel or work schedule.
Lactobacillus plantarum: There's some evidence that Lactobacillus plantarum can increase daytime energy levels and boost sleep quality during deep sleep. Lactobacillus gasseri: Multiple small studies have investigated Lactobacillus gasseri and found a positive effect on overall sleep quality.
Cardiologists warn against probiotics for heart patients due to risks like infections (endocarditis) in vulnerable individuals, potential negative interactions with heart medications, and the lack of strong human data proving consistent cardiovascular benefits, with some early concerns even showing increased mortality in critically ill patients. While probiotics show promise for gut-heart axis health, they pose risks, especially for immunocompromised patients or those with underlying heart conditions, necessitating doctor supervision.
Sleep aids: The options
The symptoms may include:
The 3-2-1 sleep rule is a simple wind-down routine: stop eating and drinking alcohol 3 hours before bed, stop working/mentally stimulating activities 2 hours before, and turn off screens (phones, TVs) 1 hour before sleep, helping you transition to rest by reducing stimulants and preparing your mind and body. It's often part of a larger 10-3-2-1-0 rule, which also adds no caffeine 10 hours prior and no hitting snooze (0) in the morning.
While we cannot use one specific measure for our gut health , some signs that you may have poor gut health include:
While every organ in the body is affected by poor sleep, the brain takes the biggest hit, showing signs of dysfunction faster than any other system. Over time, the heart, liver, and immune system also begin to show stress, which can increase your risk of chronic illness.
Take your probiotics with or without meals and in the morning, noon, or night—whatever feels right to you. Your probiotics will still work their magic as long as you take them consistently. Support them by eating a nutritious diet that includes fiber.”
Avoid high-acidity drinks such as orange juice, lemon juice, other citrus-based beverages, fruit pureé and carbonated drinks (sodas). Also, avoid mixing probiotics with very hot liquids (above 40°C/104°F), as excessive heat can kill beneficial bacteria and reduce effectiveness.
There's a small risk of adverse side effects for people with weaker immune systems. This includes people taking immunosuppressant drugs, people with critical illnesses and infants who've been born prematurely. The risk is that a probiotic product might contain a harmful type of microbe along with the helpful types.
The authors put forward the hypothesis that probiotic fermented carbohydrates in the proximal small bowel induce intestinal bacterial overgrowth, resulting in d-lactic acid production, increased gas output, and abdominal bloating. The d-lactic acidosis is the culprit for the brain fogginess.
What are the best probiotic strains for older adults?
They work in totally different ways, so they have no interaction. That's great! It means adding a probiotic to your Vitamin supplement routine is generally no problem at all! Whether you take Vitamin C, Vitamin D, B Vitamins, or even minerals like Magnesium, Zinc, or Iron, your probiotics won't bother them.