diff --git a/packages/react-core/src/components/Page/Page.tsx b/packages/react-core/src/components/Page/Page.tsx
index ab068872472..65c8589c9a6 100644
--- a/packages/react-core/src/components/Page/Page.tsx
+++ b/packages/react-core/src/components/Page/Page.tsx
@@ -266,6 +266,7 @@ class Page extends Component<PageProps, PageState> {
       isManagedSidebar,
       onSidebarToggle: mobileView ? this.onSidebarToggleMobile : this.onSidebarToggleDesktop,
       isSidebarOpen: mobileView ? mobileIsSidebarOpen : desktopIsSidebarOpen,
+      isMobile: mobileView,
       width,
       height,
       getBreakpoint,
diff --git a/packages/react-core/src/components/Page/PageContext.tsx b/packages/react-core/src/components/Page/PageContext.tsx
index 4dd1a898ae6..ad2dcf5658c 100644
--- a/packages/react-core/src/components/Page/PageContext.tsx
+++ b/packages/react-core/src/components/Page/PageContext.tsx
@@ -6,6 +6,7 @@ export interface PageContextProps {
   isManagedSidebar: boolean;
   onSidebarToggle: () => void;
   isSidebarOpen: boolean;
+  isMobile: boolean;
   width: number;
   height: number;
   getBreakpoint: (width: number | null) => 'default' | 'sm' | 'md' | 'lg' | 'xl' | '2xl';
@@ -16,6 +17,7 @@ export const pageContextDefaults: PageContextProps = {
   isManagedSidebar: false,
   isSidebarOpen: false,
   onSidebarToggle: () => null,
+  isMobile: false,
   width: null,
   height: null,
   getBreakpoint,
diff --git a/packages/react-core/src/components/Page/PageSidebar.tsx b/packages/react-core/src/components/Page/PageSidebar.tsx
index 4d98af8bf7e..17efcebeccc 100644
--- a/packages/react-core/src/components/Page/PageSidebar.tsx
+++ b/packages/react-core/src/components/Page/PageSidebar.tsx
@@ -35,7 +35,7 @@ export const PageSidebar: React.FunctionComponent<PageSidebarProps> = ({
   ...props
 }: PageSidebarProps) => (
   <PageContextConsumer>
-    {({ isManagedSidebar, isSidebarOpen: managedIsNavOpen }: PageSidebarProps) => {
+    {({ isManagedSidebar, isSidebarOpen: managedIsNavOpen, isMobile }) => {
       const sidebarOpen = isManagedSidebar ? managedIsNavOpen : isSidebarOpen;
 
       return (
@@ -43,7 +43,7 @@ export const PageSidebar: React.FunctionComponent<PageSidebarProps> = ({
           id={id}
           className={css(
             styles.pageSidebar,
-            sidebarOpen && styles.modifiers.expanded,
+            sidebarOpen && isMobile && styles.modifiers.expanded,
             !sidebarOpen && styles.modifiers.collapsed,
             className
           )}
diff --git a/packages/react-core/src/components/Page/__tests__/Generated/__snapshots__/PageSidebar.test.tsx.snap b/packages/react-core/src/components/Page/__tests__/Generated/__snapshots__/PageSidebar.test.tsx.snap
index 2e5b383ff1a..838c24de82a 100644
--- a/packages/react-core/src/components/Page/__tests__/Generated/__snapshots__/PageSidebar.test.tsx.snap
+++ b/packages/react-core/src/components/Page/__tests__/Generated/__snapshots__/PageSidebar.test.tsx.snap
@@ -4,7 +4,7 @@ exports[`PageSidebar should match snapshot (auto-generated) 1`] = `
 <DocumentFragment>
   <div
     aria-hidden="false"
-    class="pf-v6-c-page__sidebar pf-m-expanded ''"
+    class="pf-v6-c-page__sidebar ''"
     id="page-sidebar"
   >
     <div>
diff --git a/packages/react-core/src/components/Page/__tests__/__snapshots__/Page.test.tsx.snap b/packages/react-core/src/components/Page/__tests__/__snapshots__/Page.test.tsx.snap
index 00b3624d974..06922646315 100644
--- a/packages/react-core/src/components/Page/__tests__/__snapshots__/Page.test.tsx.snap
+++ b/packages/react-core/src/components/Page/__tests__/__snapshots__/Page.test.tsx.snap
@@ -12,7 +12,7 @@ exports[`Page Check dark page against snapshot 1`] = `
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     >
       <div
@@ -55,7 +55,7 @@ exports[`Page Check page horizontal layout example against snapshot 1`] = `
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
@@ -92,7 +92,7 @@ exports[`Page Check page to verify breadcrumb is created - PageBreadcrumb syntax
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
@@ -237,7 +237,7 @@ exports[`Page Check page to verify breadcrumb is created 1`] = `
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
@@ -386,7 +386,7 @@ exports[`Page Check page to verify grouped nav and breadcrumb - new components s
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
@@ -629,7 +629,7 @@ exports[`Page Check page to verify grouped nav and breadcrumb - old / props synt
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
@@ -913,7 +913,7 @@ exports[`Page Check page to verify skip to content points to main content region
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
@@ -1063,7 +1063,7 @@ exports[`Page Check page vertical layout example against snapshot 1`] = `
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     >
       <div
@@ -1106,7 +1106,7 @@ exports[`Page Sticky bottom breadcrumb on all height breakpoints - PageBreadcrum
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
@@ -1251,7 +1251,7 @@ exports[`Page Verify sticky bottom breadcrumb on all height breakpoints 1`] = `
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
@@ -1400,7 +1400,7 @@ exports[`Page Verify sticky top breadcrumb on all height breakpoints - PageBread
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
@@ -1545,7 +1545,7 @@ exports[`Page Verify sticky top breadcrumb on all height breakpoints 1`] = `
     />
     <div
       aria-hidden="false"
-      class="pf-v6-c-page__sidebar pf-m-expanded"
+      class="pf-v6-c-page__sidebar"
       id="page-sidebar"
     />
     <div
diff --git a/packages/react-integration/cypress/integration/page.spec.ts b/packages/react-integration/cypress/integration/page.spec.ts
index b482feed013..f3d936db0eb 100644
--- a/packages/react-integration/cypress/integration/page.spec.ts
+++ b/packages/react-integration/cypress/integration/page.spec.ts
@@ -6,11 +6,21 @@ describe('Page Demo Test', () => {
   it('Test Page elements', () => {
     cy.get('#page-demo').within(() => {
       cy.get('#nav-toggle').then((hamburgerIcon: JQuery<HTMLDivElement>) => {
-        cy.get('.pf-v6-c-page__sidebar.pf-m-expanded').should('exist');
-        cy.get('.pf-v6-c-page__sidebar.pf-m-collapsed').should('not.exist');
-        cy.wrap(hamburgerIcon).click();
-        cy.get('.pf-v6-c-page__sidebar.pf-m-collapsed').should('exist');
-        cy.get('.pf-v6-c-page__sidebar.pf-m-expanded').should('not.exist');
+        cy.get('#page-demo-sidebar').then(($sidebar) => {
+          const initiallyCollapsed = $sidebar.hasClass('pf-m-collapsed');
+          cy.wrap(hamburgerIcon).click();
+          if (initiallyCollapsed) {
+            cy.get('#page-demo-sidebar').should('not.have.class', 'pf-m-collapsed');
+          } else {
+            cy.get('#page-demo-sidebar').should('have.class', 'pf-m-collapsed');
+          }
+          cy.wrap(hamburgerIcon).click();
+          if (initiallyCollapsed) {
+            cy.get('#page-demo-sidebar').should('have.class', 'pf-m-collapsed');
+          } else {
+            cy.get('#page-demo-sidebar').should('not.have.class', 'pf-m-collapsed');
+          }
+        });
       });
       cy.get('#page-demo-masthead').should('not.have.attr', 'role');
       cy.get('#page-demo-page-id').should('not.have.attr', 'role');