diff --git a/src/test/moves/sleep_talk.test.ts b/src/test/moves/sleep_talk.test.ts
new file mode 100644
index 00000000000..3c001783b2c
--- /dev/null
+++ b/src/test/moves/sleep_talk.test.ts
@@ -0,0 +1,75 @@
+import { Stat } from "#app/enums/stat";
+import { StatusEffect } from "#app/enums/status-effect";
+import { MoveResult } from "#app/field/pokemon";
+import { Abilities } from "#enums/abilities";
+import { Moves } from "#enums/moves";
+import { Species } from "#enums/species";
+import GameManager from "#test/utils/gameManager";
+import Phaser from "phaser";
+import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
+
+describe("Moves - Sleep Talk", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    game.override
+      .moveset([ Moves.SPLASH, Moves.SLEEP_TALK ])
+      .statusEffect(StatusEffect.SLEEP)
+      .ability(Abilities.BALL_FETCH)
+      .battleType("single")
+      .disableCrits()
+      .enemySpecies(Species.MAGIKARP)
+      .enemyAbility(Abilities.BALL_FETCH)
+      .enemyMoveset(Moves.SPLASH)
+      .enemyLevel(100);
+  });
+
+  it("should fail when the user is not asleep", async () => {
+    game.override.statusEffect(StatusEffect.NONE);
+    await game.classicMode.startBattle([ Species.FEEBAS ]);
+
+    game.move.select(Moves.SLEEP_TALK);
+    await game.toNextTurn();
+    expect(game.scene.getPlayerPokemon()!.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
+  });
+
+  it("should fail if the user has no valid moves", async () => {
+    game.override.moveset([ Moves.SLEEP_TALK, Moves.DIG, Moves.METRONOME, Moves.SOLAR_BEAM, Moves.SLEEP_TALK ]);
+    await game.classicMode.startBattle([ Species.FEEBAS ]);
+
+    game.move.select(Moves.SLEEP_TALK);
+    await game.toNextTurn();
+    expect(game.scene.getPlayerPokemon()!.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
+  });
+
+  it("should call a random valid move if the user is asleep", async () => {
+    game.override.moveset([ Moves.SLEEP_TALK, Moves.DIG, Moves.FLY, Moves.SWORDS_DANCE ]); // Dig and Fly are invalid moves, Swords Dance should always be called
+    await game.classicMode.startBattle([ Species.FEEBAS ]);
+
+    game.move.select(Moves.SLEEP_TALK);
+    await game.toNextTurn();
+    expect(game.scene.getPlayerPokemon()!.getStatStage(Stat.ATK));
+  });
+
+  it("should apply secondary effects of a move", async () => {
+    game.override.moveset([ Moves.SLEEP_TALK, Moves.DIG, Moves.FLY, Moves.WOOD_HAMMER ]); // Dig and Fly are invalid moves, Wood Hammer should always be called
+    await game.classicMode.startBattle();
+
+    game.move.select(Moves.SLEEP_TALK);
+    await game.toNextTurn();
+
+    expect(game.scene.getPlayerPokemon()!.isFullHp()).toBeFalsy(); // Wood Hammer recoil effect should be applied
+  });
+});