diff --git a/osu.Game/Database/BackgroundDataStoreProcessor.cs b/osu.Game/Database/BackgroundDataStoreProcessor.cs
index 872194aa1d..f3b37f608c 100644
--- a/osu.Game/Database/BackgroundDataStoreProcessor.cs
+++ b/osu.Game/Database/BackgroundDataStoreProcessor.cs
@@ -16,6 +16,7 @@ using osu.Game.Extensions;
 using osu.Game.Online.API;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Notifications;
+using osu.Game.Performance;
 using osu.Game.Rulesets;
 using osu.Game.Scoring;
 using osu.Game.Scoring.Legacy;
@@ -51,6 +52,9 @@ namespace osu.Game.Database
         [Resolved]
         private ILocalUserPlayInfo? localUserPlayInfo { get; set; }
 
+        [Resolved]
+        private IHighPerformanceSessionManager? highPerformanceSessionManager { get; set; }
+
         [Resolved]
         private INotificationOverlay? notificationOverlay { get; set; }
 
@@ -493,7 +497,9 @@ namespace osu.Game.Database
 
         private void sleepIfRequired()
         {
-            while (localUserPlayInfo?.IsPlaying.Value == true)
+            // Importantly, also sleep if high performance session is active.
+            // If we don't do this, memory usage can become runaway due to GC running in a more lenient mode.
+            while (localUserPlayInfo?.IsPlaying.Value == true || highPerformanceSessionManager?.IsSessionActive == true)
             {
                 Logger.Log("Background processing sleeping due to active gameplay...");
                 Thread.Sleep(TimeToSleepDuringGameplay);