Reaching for something before bed isn't the enemy of good sleep—the right snack can actually help. Nutrition science writers have started naming a specific shortlist of bedtime foods, and dates are right on it, alongside eggs, bananas, milk, peanuts, and poultry.[1]
Here is why that matters, and why a date-based snack like Datekin is a genuinely useful thing to keep by the bed.
What Foods Help You Sleep?
Foods containing tryptophan—an amino acid found in dates, bananas, eggs, and dairy—support sleep because tryptophan is a precursor to serotonin. The body then converts serotonin into melatonin, the natural hormone that regulates your sleep-wake cycle.[1]
A Spanish study of over 11,000 people found that lower tryptophan intake was linked to poorer self-reported sleep quality, making it one of the more evidence-backed nutrients in the sleep conversation.[1]
Why Fibre Counts as a Sleep Nutrient
High-fibre diets are associated with more deep sleep and fewer night-time awakenings.[1] A study from Vrije University Amsterdam, tracking 147 healthy adults, found that a higher-fibre diet improved overall sleep compared with a control group.[1] This is likely because the gut microbiome ferments fibre into short-chain fatty acids that can influence serotonin production.
Dates are a notably fibre-dense fruit, coming in at roughly 8.7g of fibre per 100g (about 3g per 40g serving).[3] That makes them a practical, natural way to build fibre into an evening routine, rather than just at breakfast.
Do Dates Contain Melatonin?
Yes—dates are one of the few fruits shown to contain natural melatonin. Research published in the European Food Research and Technology journal confirmed measurable melatonin and related sleep-relevant compounds in commercial date varieties, alongside serotonin.[2]
The amounts are modest rather than a medical dose, but combined with tryptophan and fibre, dates offer a rare whole food that touches several parts of the same sleep pathway at once. They are also a natural source of magnesium (around 50mg per 100g), a mineral commonly associated with muscle relaxation and sleep quality.[3]
A Better Late-Night Choice Than Sugar
Separate research from a study of Saudi university students found a significant association between higher refined sugar intake and poorer sleep quality.[1]
Dates are naturally sweet, but that sweetness comes bundled with dietary fibre—a meaningfully different nutritional profile to refined sugar snacks eaten late in the evening. Swapping a chocolate bar or biscuits for a Datekin date ball is a straightforward way to satisfy an evening sweet craving without the same sleep trade-off.
Why Datekin Is Worth Keeping By the Bed
- Tryptophan-containing fruit: Dates sit on nutritionists' shortlist of sleep-supportive bedtime foods.[1]
- Genuinely high in fibre: Around 8.7g per 100g, linked in clinical research to deeper, less interrupted sleep.[1], [3]
- Naturally contains melatonin: Contains natural melatonin and serotonin-related compounds confirmed by peer-reviewed food science research.[2]
- A cleaner late-night sweet fix: Naturally sweet with fibre attached, avoiding the refined sugar spikes linked to poorer sleep.[1]
- Clean label: Just dates and a short, recognisable ingredient list—nothing to decode at 10pm.
In Short
The science on bedtime snacking keeps pointing to the same handful of nutrients—tryptophan, fibre, magnesium—and dates happen to carry all three, plus a trace of natural melatonin most fruits don't have.[1], [2], [3]
A Datekin date ball or date cake is a simple, evidence-backed way to make your evening snack work with your sleep, not against it.
Sources
- [1] The best foods to eat before bed for a better night's sleep, BBC Science Focus (Dr Emma Davies)
- [2] Melatonin and related bioactive compounds in commercialized date palm fruits, European Food Research and Technology
- [3] California Dates Nutrition Guide — fibre, magnesium and potassium content
