diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 1d641b84c4..9018c08456 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -364,6 +364,11 @@ gBattleScriptsForMoveEffects:: @ 82D86A8
 	.4byte BattleScript_EffectGeomancy
 	.4byte BattleScript_EffectFairyLock
 	.4byte BattleScript_EffectAllySwitch
+	.4byte BattleScript_EffectSleepHit
+
+BattleScript_EffectSleepHit:
+	setmoveeffect MOVE_EFFECT_SLEEP
+	goto BattleScript_EffectHit
 	
 BattleScript_EffectAllySwitch:
 	attackcanceler
diff --git a/include/constants/battle_move_effects.h b/include/constants/battle_move_effects.h
index 7cdc993d25..7b19d1eb71 100644
--- a/include/constants/battle_move_effects.h
+++ b/include/constants/battle_move_effects.h
@@ -351,5 +351,6 @@
 #define EFFECT_GEOMANCY 345
 #define EFFECT_FAIRY_LOCK 346
 #define EFFECT_ALLY_SWITCH 347
+#define EFFECT_SLEEP_HIT 348 // Relic Song
 
 #endif  // GUARD_CONSTANTS_BATTLE_MOVE_EFFECTS_H
diff --git a/src/data/battle_moves.h b/src/data/battle_moves.h
index d37eda32a7..e07cad2d55 100644
--- a/src/data/battle_moves.h
+++ b/src/data/battle_moves.h
@@ -7671,7 +7671,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT] =
 
     [MOVE_RELIC_SONG] =
     {
-        .effect = EFFECT_SLEEP,
+        .effect = EFFECT_SLEEP_HIT,
         .power = 75,
         .type = TYPE_NORMAL,
         .accuracy = 100,