Tart Cherry - Midnight Mauve Smoothie - Easier Evenings, Longer Sleep

Wellness Reviewed by a Board-Certified Physician

ID: #2026-013 / Verified: April 2, 2026

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Jump to Recipe What the Research Found Timing Your Glass FAQ

At a Glance

• Tart cherries naturally contain melatonin, and in a week-long trial, tart cherry concentrate raised melatonin levels and added to total sleep time in healthy adults.
• For people with insomnia, the effects were smaller, so think of this glass as a gentle nudge for your wind-down, not a sleeping pill.
• Sipping it 1 to 2 hours before bed gives your stomach time to settle and fits neatly into an evening routine.

A tart cherry smoothie with oats and banana, made for winding down in the evening. (Image: AI-generated)

Pour a splash of tart cherry concentrate into a glass and the first thing you notice is the color, a deep, almost inky red. The second is the pucker. It’s nothing like the sweet cherries in a summer fruit bowl, and that sharp edge is part of what makes it interesting. Blend it with banana and nut butter, though, and it softens into a dusty mauve, which is a pretty good preview of how the flavor mellows too.

Tart cherries naturally contain melatonin, the hormone your body uses to signal that it’s time to sleep, and unlike a lot of bedtime food folklore, they’ve been put to the test in real sleep studies. Blended with a ripe banana, a spoonful of nut butter, and some softened oats, they make a creamy evening glass, a fruit-forward cousin of the warm milk generations of grandmothers swore by at bedtime.

What the Research Found

🔍 The Research, Explained: In a week-long trial, 20 healthy adults drank either tart cherry concentrate or a placebo drink, then switched. During the cherry week, their melatonin levels rose, and sleep trackers showed more total sleep time and better sleep efficiency, meaning a bigger share of their time in bed was spent asleep. It's one small study, but the results lined up across both melatonin and sleep, which is a nice reason to keep a bottle in the fridge.[1]

For people with insomnia, the picture is more modest. In a two-week pilot study of 15 older adults with chronic insomnia, tart cherry juice cut down the time spent lying awake after first falling asleep compared with a placebo drink, but it didn't change how quickly they fell asleep or their total sleep time. The researchers noted the effects were considerably smaller than proven insomnia treatments like therapy or sleep medication.[2]

If sleep has been a struggle for a while, you deserve more support than a smoothie can give, so loop in your doctor too. In the meantime, this glass is a lovely first step toward an evening routine that feels good to come home to.

Related Read How to Tell If Your Sleep Is Getting Better →

No sleep lab needed. Three simple signals, how fast you fall asleep, how often you wake up, and how you feel in the morning, show you whether a new habit is working.

Why Tart Cherries Might Help

Melatonin is only part of the story. In a small pilot study of eight adults over 50 with insomnia, tart cherry juice lowered a blood marker of tryptophan breakdown, and in lab tests, a compound in the juice called procyanidin B-2 slowed the enzyme responsible for that breakdown. Tryptophan is a building block your body uses to make serotonin and melatonin, so holding onto more of it is one possible reason tart cherries seem to help.[3]

That trial was small, and it was funded by a group that represents tart cherry growers, so it’s best read as an early clue rather than a settled answer.

Credit: Slaapwijsheid.nl / Unsplash

Timing Your Glass

In the insomnia studies, people drank tart cherry juice twice a day, so a single evening smoothie is a lighter version of what was tested.[3]

For the evening glass, aim for 1 to 2 hours before bed. That gives your stomach time to settle, so you’re not lying down on a full glass, and it leaves room for the rest of your routine, dimmer lights, a warm shower, the phone in another room.

You Might Want to Know Pair It With a Warm Shower →

A warm shower about 90 minutes before bed helps your body start the temperature drop that comes before sleep, and it fits right into the same wind-down window.

The Midnight Mauve Smoothie

Print Recipe

The Midnight Mauve Smoothie

A Creamy Tart Cherry Wind-Down

Yield 1 Serving

Prep Time 5 Mins

Chill Time 10-15 Mins

Category Beverage

Ingredients

Tart Cherry Concentrate: 1oz (30ml / 2 tbsp) Montmorency tart cherries, naturally containing melatonin. It's stronger than it looks, so start here.

Unsweetened Almond Milk: 3.4oz (100ml) A light base, including 3 tbsp for softening the oats.

Ripe Banana: 1 medium Natural sweetness and creaminess to balance the tart cherry. The riper, the better.

Almond or Peanut Butter: 1 tbsp (unsweetened) Rich, nutty, and the secret to softening the pucker. Sunflower seed butter works for a nut-free version.

Rolled Oats: 2 tbsp Softened in a few seconds in the microwave for extra body.

Chia Seeds: 1 tsp Thickens the smoothie as it chills.

Vanilla Extract: A Few Drops (Optional) Rounds out the tartness with a soft, warm note.

thewellnessexaminer.com

Instructions

1

Stir the oats with 3 tbsp of the almond milk, microwave for 30 to 45 seconds, then let them sit for 1 to 2 minutes to soften.

2

Add the softened oats, remaining almond milk, banana, nut butter, tart cherry concentrate, chia seeds, and vanilla to a blender, and blend until smooth.

3

Chill in the fridge or freezer for 10 to 15 minutes so it cools and thickens, then sip it 1 to 2 hours before bed.

Nutrition Facts (Per Serving)

Calories ~350 Cal

Protein ~9g

Fiber ~6g

Nutrition estimates based on USDA FoodData Central and a typical tart cherry concentrate; values vary by brand.

Frequently Asked Questions

• Q1. Can I use sweet cherries instead of tart cherry concentrate?

  The sleep studies all used tart Montmorency cherries, so sweet cherries like Bing aren’t a swap the research backs up. Frozen tart cherries work if you can’t find concentrate, just know that the amount of active compounds varies from product to product.

• Q2. Won’t tart cherry concentrate make it too sour?

  It can if you pour too much. Concentrate is much stronger than it looks, so two tablespoons is plenty. A really ripe banana and a spoonful of nut butter round out the tartness, and if it still tastes sharp, add a little more nut butter next time rather than more sweetener.

• Q3. Is it okay to drink it right before bed?

  You can, but it’s easier on your stomach about 1 to 2 hours ahead. That timing also leaves space to wind down instead of going straight from the blender to the pillow.

• Q4. Can I have this if I take melatonin or sleep medication?

  Check with your doctor or pharmacist first. Tart cherry juice is a food, but it does contain melatonin, so it’s worth a quick conversation before pairing it with other sleep aids.

A Softer Landing for the Day

Good sleep is mostly built from the unglamorous stuff, a steady schedule, a cool, dark room, a little morning light. A tart cherry smoothie slots in at the very end of that list, a small, pleasant ritual that marks the close of the day and gives your body one more cue that it’s time to slow down.

Sources & References

• [1] Howatson, G., et al. (2012). "Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality." European Journal of Nutrition.
• [2] Pigeon, W. R., et al. (2010). "Effects of a tart cherry juice beverage on the sleep of older adults with insomnia: a pilot study." Journal of Medicinal Food.
• [3] Losso, J. N., et al. (2018). "Pilot Study of the Tart Cherry Juice for the Treatment of Insomnia and Investigation of Mechanisms." American Journal of Therapeutics.

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