Last updated: October 2026
Eating before bed isn’t always bad, but a big, rich or spicy meal close to bedtime can disturb sleep and trigger heartburn. The NHS advises people with heartburn not to eat within 3 to 4 hours of bed. If you’re hungry, a small, light snack is fine. Finish your main meal 2 to 3 hours before bed.
Below: how late eating affects sleep, the best and worst bedtime snacks, eating before bed and weight, and tips for late shifts.
How late eating affects sleep
A study of healthy adults found eating more close to bedtime was linked to poorer sleep quality, including taking longer to fall asleep and waking more in the night. Large meals keep your digestive system busy, and lying down soon after can push stomach acid up, causing heartburn. Alcohol and caffeine with a late meal make things worse. See how to sleep better and insomnia.
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View productBest and worst bedtime snacks
| Better choices | Best avoided late |
|---|---|
| A small bowl of porridge or wholegrain cereal with milk | Large, fatty or fried meals |
| A banana or kiwi | Spicy food, if it gives you heartburn |
| Natural yoghurt | Chocolate, coffee, cola and energy drinks (caffeine) |
| A slice of wholegrain toast | Alcohol |
| A small handful of nuts | Sugary sweets and desserts. See sugar cravings |
| A warm, caffeine-free drink | Big drinks right before bed, if they wake you to wee |
See best tea for sleep, is hot chocolate good before bed? and foods high in magnesium.
Prefer a drink to a snack? Our Magnesium Glycinate Sleep Complex is a stevia-sweetened bedtime drink, and magnesium contributes to a reduction of tiredness and fatigue. Our Reishi Mushroom Adaptogenic Complex is a cosy cacao drink.
The FSA’s 10mg a day figure for CBD is precautionary advice rather than a legal limit, set while longer-term safety research continues. At Evopure we think it is a very cautious figure, and many adults use more. If you go above it, increase slowly, and check with your GP or pharmacist first if you take any medication.
Eating before bed and weight
What and how much you eat across the day matters more than the exact time. But late-night snacking often adds extra calories, especially in front of a screen, and poor sleep increases hunger the next day. If you’re snacking late out of habit or tiredness, an earlier bedtime can help. See menopause weight gain and revenge bedtime procrastination.
If you work late or eat late
- Eat your main meal earlier, such as at lunchtime, and have a lighter evening meal.
- Keep late meals small and easy to digest.
- Sit upright for a while after eating if you get heartburn.
- On night shifts, plan meals around your sleep. See shift work and sleep.
Related guides
- Get heartburn at night? See the best sleeping position for reflux.
- Emotional eating at night.
- Why you feel sleepy after eating.
- For what to eat rather than when, see our evidence guide to foods that help you sleep.
- An evening routine for better sleep, hour by hour.
- Sleep and weight loss, including late-night snacking.
- Wondering about the TikTok trend? See does eating kiwi before bed help you sleep?
- Wondering whether tryptophan foods help at bedtime? See does tryptophan help sleep?
- If late meals give you heartburn, read acid reflux at night: why it’s worse lying down.
- Thinking of a banana? Our banana before bed guide covers the best timing and better pairings.
- Prefer a supplement to a snack? Our guide to the best magnesium for sleep compares the forms.
- For daytime triggers and pharmacy options too, see our full acid reflux guide.
- A malted milk drink counts as a light snack: see Horlicks for sleep for the sugar and calories per mug.
- Wondering whether a salad makes you drowsy? See does lettuce make you sleepy?
- To time dinner, start from your bedtime: our best time to sleep and wake up guide has a chart by wake-up time.
Sources 3
- NHS. Heartburn and acid reflux.
- Crispim CA et al (2011). Relationship between food intake and sleep pattern in healthy individuals. Journal of Clinical Sleep Medicine.
- Spiegel K et al (2004). Sleep curtailment in healthy young men is associated with decreased leptin levels, elevated ghrelin levels, and increased hunger and appetite. Annals of Internal Medicine.
This guide is general information, not medical advice. Evopure makes the Magnesium Glycinate Sleep Complex and Reishi Mushroom Adaptogenic Complex.
