Sweet Cherries
Food · Fruit · Food, Typed Supps
The sleep research used tart cherry juice, not these. Worth knowing before you buy a punnet.
Stage by stage
- Different species (The fruit): Sweet and tart cherries are botanically distinct, with different chemistry.
- Sugar (Stomach): 15.2 g per 100 g, high for a fruit — which is what makes them sweet cherries.
- Anthocyanins (Circulation): The deep colour is genuine polyphenol content, present in both species.
- The sleep claim (Brain): Attached to tart cherry concentrate at trial doses, not to whole sweet cherries.
What the evidence supports
- Improving sleep duration or quality — insufficient evidence. The sleep findings used tart cherry (Prunus cerasus) juice concentrate at doses no punnet of sweet cherries approaches. Sweet cherries are a botanically distinct species.
Timing
Nothing to time for sweet cherries. The tart cherry trials dosed morning and evening for one to two weeks.
Time to effect
- 1–2 weeks: The tart cherry juice trial duration, for that product.
- —: No established effect from sweet cherries.
Allergens
None of the fourteen major allergens. Derived from what this food is, not from a product label.
Eating patterns
Fits: Vegan, Vegetarian, Pescatarian, Halal, Kosher, Gluten-free.
In season
June to August in the northern hemisphere, December to February in the southern.
Satiety
150 on the satiety index, where white bread is 100 — high. Modelled from the Holt et al. (1995) measurements.
Environmental footprint
1.1 kg CO2e and 199 litres of freshwater per kg, matched to "Other fruit" in Poore & Nemecek (2018), Science 360.
Cost band
Mid — roughly £9 per kg, as a band midpoint rather than a price.
Key nutrients
Nutrition per 100g
- Calories: 74
- Protein: 1.1g
- Carbohydrate: 16.9g
- of which sugars: 15.2g
- Fibre: 1.4g
Food vs. supplement
This is a case where the supplement genuinely is the studied form. The cherry sleep research used concentrate at doses no amount of eating the fruit reaches — and it used a different cherry.
Kitchen tip
If you want to try the sleep thing, it needs tart cherry concentrate, not a punnet. If you just want cherries, buy cherries.
Common myth
“Cherries help you sleep.” In reality: Tart cherry juice concentrate might, on small short trials. Sweet cherries — the ones in the punnet — are a different species, eaten whole at doses nowhere near what those trials used. They are an excellent fruit with real anthocyanins and potassium. They have not been shown to do anything for sleep.
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