Rest, digest and repeat
As the evenings draw in and the clocks go back, many of us feel the pull towards earlier nights and slower mornings. It's a good moment to talk about something we don't celebrate nearly enough: sleep.
At Loving Foods, we often talk about feeding your gut with traditional, living foods. But gut health isn't only about what's on your plate. How well you rest matters too, and the science behind that connection is fascinating.
Why sleep matters
Sleep is when your body does its quiet maintenance work. While you rest, it gets on with jobs it can't do so well while you're busy and awake:
• Repair and recovery: tissues are repaired and energy stores are topped up.
• A calmer mind: sleep helps us process the day, steady our mood and handle stress.
• Memory and focus: the brain sorts and stores what we've learned.
• Immune support: a well-rested body is better placed to defend itself.
• Balanced appetite and energy: short sleep can unsettle the way our bodies handle blood sugar and hunger.
Most adults need around seven to nine hours a night. Just as important as the number, though, is regularity: going to bed and waking at similar times each day.
How sleep and your gut talk to each other
Your gut and your sleep are in a two-way conversation. Researchers are still uncovering the details, but a few links are becoming clear.
Your gut keeps time too. We tend to think of the body clock as something in the brain. In fact, your digestive system follows its own daily rhythm, and the trillions of microbes living in your gut shift their activity across the day and night. Light, meal times and sleep all help keep these rhythms in step. Scientists have also found that substances made by gut bacteria can influence the body's clock genes in return.
The gut-brain axis. Your gut and brain are linked by nerves (especially the vagus nerve), hormones and immune signals. Messages travel in both directions, which is why a calm, balanced gut and a calm, rested mind so often go together.
Sleep-related messengers. Most of the body's serotonin is made in the gut. Serotonin is the building block for melatonin, the hormone that tells us it's time to sleep, and melatonin is found in the gut as well as the brain. Some beneficial bacteria, including types of Lactobacillus and Bifidobacterium, are also being studied for their role in producing calming compounds such as GABA. It's an exciting area, though much of this research is still in its early stages.
When sleep suffers, so can your gut
Research reviews have linked both broken sleep and short sleep with an imbalance in gut bacteria, sometimes called dysbiosis. One suggested reason is stress: poor sleep keeps the body's stress response switched on, which can unsettle the gut.
In one small study at Uppsala University, just two nights of around four hours' sleep led to subtle shifts in the types of bacteria in participants' guts. Another study found that suddenly shifting people's sleep-wake times changed how their gut microbes behaved. Not every study agrees, and some found the microbiome held steady after short-term sleep loss, so it's fair to say the picture is still emerging.
What many experts describe is a cycle. Stress and poor sleep can upset the gut, and an unsettled gut can send signals that make it harder to switch off at night. The encouraging part is that the cycle works in the other direction too: looking after one can help the other.
Simple ways to support your sleep and your gut
The good news is that the habits that help one tend to help the other. None of them need to be complicated.
1. Keep a steady rhythm. Aim for similar bed and wake times, even at weekends. Your gut likes routine as much as your brain does.
2. Get morning daylight. A walk outside early in the day (with the dog, if you have one) helps set your body clock.
3. Eat earlier in the evening. Leaving a few hours between your last meal and bed gives your digestion time to settle.
4. Feed your microbes. Fibre-rich vegetables, pulses and whole grains, alongside a daily spoonful of traditional fermented foods like sauerkraut or kimchi, help support a diverse gut community.
5. Ease off caffeine and alcohol later in the day. Both can disturb sleep, and alcohol can irritate the gut too.
6. Create a wind-down ritual. Dim the lights, put the phone away and give your mind a signal that the day is done. Gentle music or a guided meditation can be a lovely part of this.
Wellness music for sleep and focus
We've curated our first official Loving Foods playlist of music for wellness, created especially for our community, to help you unwind, settle your mind and drift off more easily.
Why music can help you drift off. Slow, gentle music helps your body move out of "busy" mode and into the calm state that sleep needs. It gives a racing mind something soft to rest on, and listening at bedtime has been shown to improve sleep quality.
Lovely for a daytime nap too. If you're trying to fit in a restorative nap, relaxing music can help you make the most of it. Listening before a nap has been linked to better-quality rest and less time in the lightest, most easily disturbed stage of sleep. Pop the playlist on, set a gentle alarm and let yourself switch off.
You can also play it quietly in the background whenever you want to slow down and settle into a task.
You can find the playlists here:
• Listen on YouTube
• Listen on Apple Music
We'd love to hear how you get on. Let us know in the comments below or tag us on Instagram.
Sweet dreams, happy gut
Good sleep doesn't start the moment your head hits the pillow. It's shaped by the whole day: the light you see, the food you eat, how you move and how gently you let yourself unwind. Look after your gut, protect your rest, and let each one support the other.
From all of us at Loving Foods, sleep well.
This article is for general information only and isn't a substitute for medical advice. If you're struggling with ongoing sleep problems or digestive symptoms, please speak to your GP or a qualified health professional.