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Relaxing Sleepy Girl Mocktail Recipe — Caffeine-Free Nightcap

Our Sleepy Girl Mocktail is the perfect drink to enjoy before bed. It combines tart cherry juice, elderberry syrup, a touch of maple, fresh lime juice, and is finished with a can of LMNT Black Cherry Lime sparkling electrolyte water for a bubbly, calming sip.

Two glasses of iced tea garnished with lime wedges and mint leaves. A potted plant and sliced limes are in the background.

The sleepy girl mocktail trend has been around for a while, and this version leans into flavor and function. We partnered with LMNT because their Black Cherry Lime sparkling electrolyte water brings just the right amount of bright cherry and lime with a lively effervescence that complements the tart cherry and elderberry in this recipe.

If you haven’t tried LMNT before, it’s our favorite electrolyte brand. Their sparkling drinks contain no added sugar or unnecessary preservatives, and they provide sodium, potassium, and magnesium—nutrients we appreciate after workouts, during postpartum, and even when crafting a relaxing mocktail.

Run a bath, dim the lights, and make this cozy mocktail for a restful evening. It’s hydrating, full of antioxidants, and deliciously balanced.

Sleepy Girl Mocktail Ingredients

  • LMNT Sparkling Electrolyte Water, Black Cherry Lime: The bubbly element that ties everything together; black cherry and lime pair beautifully with the rest of the ingredients.
  • Tart Cherry Juice: Naturally containing melatonin precursors, tart cherry juice can help support sleep when enjoyed in the evening.
  • Elderberry Syrup: A flavorful addition with antioxidant properties that complements the tart cherry base.
  • Maple Syrup: A natural sweetener to round out the drink—use more or less to taste.
  • Fresh Lime Juice: Adds bright acidity; reserve a wedge for garnish.
A bottle of tart cherry juice, a can of LMNT electrolyte drink, elderberry syrup, mint leaves, and lime slices on a white surface.

Why We Love LMNT

We’re excited to feature LMNT in this recipe. We first learned about LMNT years ago and have relied on their electrolytes ever since. LMNT comes in several flavors and formats, including sparkling cans and single-serve packets. The Black Cherry Lime can is especially tasty in this mocktail—the saltiness and fizz balance the tart and sweet components.

Each LMNT Sparkling Electrolyte Water contains:

  • 1,000 mg sodium
  • 200 mg potassium
  • 60 mg magnesium

If you have questions about LMNT, feel free to leave a comment. Trying a sample pack is a great way to discover your favorite flavor.

Three friends enjoying drinks, including a refreshing sleepy girl mocktail, sit beside a box of LMNT electrolyte drink mix on the wooden table.

Try it!

LMNT Electrolyte Packets

LMNT packets are convenient for travel and easy to mix into water when you want electrolytes on the go.

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A hand pours a black cherry drink into a glass filled with ice, cherries, lime slices, and mint. Another similar drink is in the background, next to lime wedges and a small candle.

Easy Ingredient Swaps

LMNT Black Cherry Lime → LMNT Citrus Salt

Tart Cherry Juice → Cranberry Juice

Maple Syrup → Homemade honey simple syrup

Elderberry Syrup → Omit if you don’t have it on hand

Is this a sweet mocktail?

This recipe is intentionally more tart than sweet. Adjust the maple syrup to taste if you prefer a sweeter drink.

Hand holding a can of LMNT black cherry lime sparkling electrolyte water. Two glasses with red drinks and lime wedges are in the background.

Sleepy Girl Mocktail Recipe

This Sleepy Girl Mocktail blends tart cherry juice, elderberry syrup, maple, and lime, topped with LMNT Black Cherry Lime sparkling electrolyte water for a refreshing, sleep-friendly beverage.
By: Lee Funke
Prep: 5 mins
Total: 5 mins
Servings: 2
Two glasses of iced berry drink with lime slices and mint, placed on a table with a striped cloth. A small candle and lime wedges are nearby, with a potted plant in the background.

Ingredients

  • 1/2 cup tart cherry juice
  • 2 teaspoons elderberry syrup
  • 2 tablespoons maple syrup, or more to taste
  • 2 tablespoons lime juice
  • 1 can Black Cherry LMNT Sparkling Electrolyte Water
  • Garnish: lime wedge and fresh mint

Instructions

  • Combine tart cherry juice, elderberry syrup, maple syrup, and lime juice in a cocktail shaker. Add ice and shake until chilled.
    A bottle of tart cherry juice, a can of LMNT electrolyte drink, elderberry syrup, mint leaves, and lime slices on a white surface.
  • Fill two glasses with ice and divide the shaken mixture evenly between them.
  • Top each glass with LMNT Black Cherry Lime sparkling electrolyte water. Garnish with a lime wedge and fresh mint, and serve immediately.
    A hand pours a black cherry drink into a glass filled with ice, cherries, lime slices, and mint. Another similar drink is in the background, next to lime wedges and a small candle.

Nutrition

Calories: 90 kcal, Carbohydrates: 23 g, Protein: 0.3 g, Fat: 0.01 g, Fiber: 0.1 g, Sugar: 18 g

Nutrition information is automatically calculated and should be used as an approximation.

Love this? Leave a comment below!

Tag your photos with the hashtag #fitfoodiefinds — we’d love to see your mocktail photos.

Disclaimer: This post is sponsored by LMNT. We were compensated and all opinions are our own. Thank you for supporting Fit Foodie Finds!