diff --git a/change/react-native-windows-6c292982-f272-4f1b-b3aa-f1ea284865d0.json b/change/react-native-windows-6c292982-f272-4f1b-b3aa-f1ea284865d0.json
new file mode 100644
index 00000000000..c99b3d96dfc
--- /dev/null
+++ b/change/react-native-windows-6c292982-f272-4f1b-b3aa-f1ea284865d0.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "perf: simulate Text regression for demo (Sleep in ParagraphComponentView::updateProps)",
+  "packageName": "react-native-windows",
+  "email": "74712637+iamAbhi-916@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}
diff --git a/vnext/Microsoft.ReactNative/Fabric/Composition/ParagraphComponentView.cpp b/vnext/Microsoft.ReactNative/Fabric/Composition/ParagraphComponentView.cpp
index 8e66ee724bd..04b8caf677a 100644
--- a/vnext/Microsoft.ReactNative/Fabric/Composition/ParagraphComponentView.cpp
+++ b/vnext/Microsoft.ReactNative/Fabric/Composition/ParagraphComponentView.cpp
@@ -73,6 +73,9 @@ void ParagraphComponentView::UnmountChildComponentView(
 void ParagraphComponentView::updateProps(
     facebook::react::Props::Shared const &props,
     facebook::react::Props::Shared const &oldProps) noexcept {
+  // Simulated regression: adds ~3ms per Text mount for perf gate demo
+  Sleep(3);
+
   const auto &oldViewProps =
       *std::static_pointer_cast<const facebook::react::ParagraphProps>(oldProps ? oldProps : viewProps());
   const auto &newViewProps = *std::static_pointer_cast<const facebook::react::ParagraphProps>(props);