diff --git a/docs/data/joy/components/autocomplete/Asynchronous.js b/docs/data/joy/components/autocomplete/Asynchronous.js
index a449988fc78e95..82c987f77d8ea6 100644
--- a/docs/data/joy/components/autocomplete/Asynchronous.js
+++ b/docs/data/joy/components/autocomplete/Asynchronous.js
@@ -4,9 +4,11 @@ import FormLabel from '@mui/joy/FormLabel';
 import Autocomplete from '@mui/joy/Autocomplete';
 import CircularProgress from '@mui/joy/CircularProgress';
 
-function sleep(delay = 0) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(resolve, delay);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/docs/data/joy/components/autocomplete/Asynchronous.tsx b/docs/data/joy/components/autocomplete/Asynchronous.tsx
index e1379748d3c5bc..36c52369e77e78 100644
--- a/docs/data/joy/components/autocomplete/Asynchronous.tsx
+++ b/docs/data/joy/components/autocomplete/Asynchronous.tsx
@@ -4,9 +4,11 @@ import FormLabel from '@mui/joy/FormLabel';
 import Autocomplete from '@mui/joy/Autocomplete';
 import CircularProgress from '@mui/joy/CircularProgress';
 
-function sleep(delay = 0) {
-  return new Promise((resolve) => {
-    setTimeout(resolve, delay);
+function sleep(duration: number): Promise<void> {
+  return new Promise<void>((resolve) => {
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/docs/data/material/components/autocomplete/Asynchronous.js b/docs/data/material/components/autocomplete/Asynchronous.js
index beb9c03846ee17..ada8153aa99fd6 100644
--- a/docs/data/material/components/autocomplete/Asynchronous.js
+++ b/docs/data/material/components/autocomplete/Asynchronous.js
@@ -3,9 +3,11 @@ import TextField from '@mui/material/TextField';
 import Autocomplete from '@mui/material/Autocomplete';
 import CircularProgress from '@mui/material/CircularProgress';
 
-function sleep(delay = 0) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(resolve, delay);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/docs/data/material/components/autocomplete/Asynchronous.tsx b/docs/data/material/components/autocomplete/Asynchronous.tsx
index 7fbbd7e62684cd..c2c4e4720ed519 100644
--- a/docs/data/material/components/autocomplete/Asynchronous.tsx
+++ b/docs/data/material/components/autocomplete/Asynchronous.tsx
@@ -8,9 +8,11 @@ interface Film {
   year: number;
 }
 
-function sleep(delay = 0) {
-  return new Promise((resolve) => {
-    setTimeout(resolve, delay);
+function sleep(duration: number): Promise<void> {
+  return new Promise<void>((resolve) => {
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/packages/mui-base/src/TextareaAutosize/TextareaAutosize.test.tsx b/packages/mui-base/src/TextareaAutosize/TextareaAutosize.test.tsx
index 1740aa8eb6b37b..3d70576baacd46 100644
--- a/packages/mui-base/src/TextareaAutosize/TextareaAutosize.test.tsx
+++ b/packages/mui-base/src/TextareaAutosize/TextareaAutosize.test.tsx
@@ -4,6 +4,8 @@ import sinon, { spy, stub } from 'sinon';
 import {
   describeConformanceUnstyled,
   act,
+  screen,
+  waitFor,
   createMount,
   createRenderer,
   fireEvent,
@@ -15,6 +17,29 @@ function getStyleValue(value: string) {
   return parseInt(value, 10) || 0;
 }
 
+// TODO: merge into a shared test helpers.
+// MUI X already have one under mui-x/test/utils/helperFn.ts
+function sleep(duration: number): Promise<void> {
+  return new Promise<void>((resolve) => {
+    setTimeout(() => {
+      resolve();
+    }, duration);
+  });
+}
+
+async function raf() {
+  return new Promise<void>((resolve) => {
+    // Chrome and Safari have a bug where calling rAF once returns the current
+    // frame instead of the next frame, so we need to call a double rAF here.
+    // See crbug.com/675795 for more.
+    requestAnimationFrame(() => {
+      requestAnimationFrame(() => {
+        resolve();
+      });
+    });
+  });
+}
+
 describe('<TextareaAutosize />', () => {
   const { clock, render } = createRenderer();
   const mount = createMount();
@@ -36,6 +61,109 @@ describe('<TextareaAutosize />', () => {
     ],
   }));
 
+  // For https://github.com/mui/material-ui/pull/33238
+  it('should not crash when unmounting with Suspense', async () => {
+    const LazyRoute = React.lazy(() => {
+      // Force react to show fallback suspense
+      return new Promise<any>((resolve) => {
+        setTimeout(() => {
+          resolve({
+            default: () => <div>LazyRoute</div>,
+          });
+        }, 0);
+      });
+    });
+
+    function App() {
+      const [toggle, setToggle] = React.useState(false);
+
+      return (
+        <React.Suspense fallback={null}>
+          <button onClick={() => setToggle((r) => !r)}>Toggle</button>
+          {toggle ? <LazyRoute /> : <TextareaAutosize />}
+        </React.Suspense>
+      );
+    }
+
+    render(<App />);
+    const button = screen.getByRole('button');
+    fireEvent.click(button);
+    await waitFor(() => {
+      expect(screen.queryByText('LazyRoute')).not.to.equal(null);
+    });
+  });
+
+  // For https://github.com/mui/material-ui/pull/33253
+  it('should update height without an infinite rendering loop', async () => {
+    function App() {
+      const [value, setValue] = React.useState('Controlled');
+
+      const handleChange = (event: React.ChangeEvent<any>) => {
+        setValue(event.target.value);
+      };
+
+      return <TextareaAutosize value={value} onChange={handleChange} />;
+    }
+    const { container } = render(<App />);
+    const input = container.querySelector<HTMLTextAreaElement>('textarea')!;
+    act(() => {
+      input.focus();
+    });
+    const activeElement = document.activeElement!;
+    // set the value of the input to be 1 larger than its content width
+    fireEvent.change(activeElement, {
+      target: { value: 'Controlled\n' },
+    });
+    await sleep(0);
+    fireEvent.change(activeElement, {
+      target: { value: 'Controlled\n\n' },
+    });
+  });
+
+  // For https://github.com/mui/material-ui/pull/37135
+  it('should update height without delay', async function test() {
+    if (/jsdom/.test(window.navigator.userAgent)) {
+      // It depends on ResizeObserver
+      this.skip();
+    }
+
+    function App() {
+      const ref = React.useRef<HTMLTextAreaElement>(null);
+      return (
+        <div>
+          <button
+            onClick={() => {
+              ref.current!.style.width = '250px';
+            }}
+          >
+            change
+          </button>
+          <div>
+            <TextareaAutosize
+              ref={ref}
+              style={{
+                width: 150,
+                padding: 0,
+                fontSize: 14,
+                lineHeight: '15px',
+                border: '1px solid',
+              }}
+              defaultValue="qdzqzd qzd qzd qzd qz dqz"
+            />
+          </div>
+        </div>
+      );
+    }
+    const { container } = render(<App />);
+    const input = container.querySelector<HTMLTextAreaElement>('textarea')!;
+    const button = screen.getByRole('button');
+    expect(parseInt(input.style.height, 10)).to.be.within(30, 32);
+    fireEvent.click(button);
+    await raf();
+    await raf();
+    expect(parseInt(input.style.height, 10)).to.be.within(15, 17);
+  });
+
   describe('layout', () => {
     const getComputedStyleStub = new Map<Element, Partial<CSSStyleDeclaration>>();
     function setLayout(
diff --git a/packages/mui-base/src/TextareaAutosize/TextareaAutosize.tsx b/packages/mui-base/src/TextareaAutosize/TextareaAutosize.tsx
index 164dbd478a2bde..9f582765f6e932 100644
--- a/packages/mui-base/src/TextareaAutosize/TextareaAutosize.tsx
+++ b/packages/mui-base/src/TextareaAutosize/TextareaAutosize.tsx
@@ -163,71 +163,66 @@ const TextareaAutosize = React.forwardRef(function TextareaAutosize(
       return;
     }
 
-    setState((prevState) => {
-      return updateState(prevState, newState);
-    });
+    setState((prevState) => updateState(prevState, newState));
   }, [getUpdatedState]);
 
-  const syncHeightWithFlushSync = () => {
-    const newState = getUpdatedState();
+  useEnhancedEffect(() => {
+    const syncHeightWithFlushSync = () => {
+      const newState = getUpdatedState();
 
-    if (isEmpty(newState)) {
-      return;
-    }
+      if (isEmpty(newState)) {
+        return;
+      }
 
-    // In React 18, state updates in a ResizeObserver's callback are happening after the paint which causes flickering
-    // when doing some visual updates in it. Using flushSync ensures that the dom will be painted after the states updates happen
-    // Related issue - https://github.com/facebook/react/issues/24331
-    ReactDOM.flushSync(() => {
-      setState((prevState) => {
-        return updateState(prevState, newState);
+      // In React 18, state updates in a ResizeObserver's callback are happening after
+      // the paint, this leads to an infinite rendering.
+      //
+      // Using flushSync ensures that the states is updated before the next pain.
+      // Related issue - https://github.com/facebook/react/issues/24331
+      ReactDOM.flushSync(() => {
+        setState((prevState) => updateState(prevState, newState));
       });
-    });
-  };
+    };
 
-  React.useEffect(() => {
     const handleResize = () => {
       renders.current = 0;
-
-      // If the TextareaAutosize component is replaced by Suspense with a fallback, the last
-      // ResizeObserver's handler that runs because of the change in the layout is trying to
-      // access a dom node that is no longer there (as the fallback component is being shown instead).
-      // See https://github.com/mui/material-ui/issues/32640
-      if (inputRef.current) {
-        syncHeightWithFlushSync();
-      }
+      syncHeightWithFlushSync();
     };
-    const handleResizeWindow = debounce(() => {
-      renders.current = 0;
-
-      // If the TextareaAutosize component is replaced by Suspense with a fallback, the last
-      // ResizeObserver's handler that runs because of the change in the layout is trying to
-      // access a dom node that is no longer there (as the fallback component is being shown instead).
-      // See https://github.com/mui/material-ui/issues/32640
-      if (inputRef.current) {
-        syncHeightWithFlushSync();
-      }
-    });
-    let resizeObserver: ResizeObserver;
-
+    // Workaround a "ResizeObserver loop completed with undelivered notifications" error
+    // in test.
+    // Note that we might need to use this logic in production per https://github.com/WICG/resize-observer/issues/38
+    // Also see https://github.com/mui/mui-x/issues/8733
+    let rAF: any;
+    const rAFHandleResize = () => {
+      cancelAnimationFrame(rAF);
+      rAF = requestAnimationFrame(() => {
+        handleResize();
+      });
+    };
+    const debounceHandleResize = debounce(handleResize);
     const input = inputRef.current!;
     const containerWindow = ownerWindow(input);
 
-    containerWindow.addEventListener('resize', handleResizeWindow);
+    containerWindow.addEventListener('resize', debounceHandleResize);
+
+    let resizeObserver: ResizeObserver;
 
     if (typeof ResizeObserver !== 'undefined') {
-      resizeObserver = new ResizeObserver(handleResize);
+      resizeObserver = new ResizeObserver(
+        process.env.NODE_ENV === 'test' ? rAFHandleResize : handleResize,
+      );
       resizeObserver.observe(input);
     }
 
     return () => {
-      handleResizeWindow.clear();
-      containerWindow.removeEventListener('resize', handleResizeWindow);
+      debounceHandleResize.clear();
+      cancelAnimationFrame(rAF);
+      containerWindow.removeEventListener('resize', debounceHandleResize);
       if (resizeObserver) {
         resizeObserver.disconnect();
       }
     };
-  });
+  }, [getUpdatedState]);
 
   useEnhancedEffect(() => {
     syncHeight();
diff --git a/packages/mui-lab/src/Masonry/Masonry.js b/packages/mui-lab/src/Masonry/Masonry.js
index b29c236c3f4cfe..c48e32772f9170 100644
--- a/packages/mui-lab/src/Masonry/Masonry.js
+++ b/packages/mui-lab/src/Masonry/Masonry.js
@@ -287,7 +287,7 @@ const Masonry = React.forwardRef(function Masonry(inProps, ref) {
 
     const resizeObserver = new ResizeObserver(() => {
       // see https://github.com/mui/material-ui/issues/36909
-      animationFrame = window.requestAnimationFrame(handleResize);
+      animationFrame = requestAnimationFrame(handleResize);
     });
 
     if (masonryRef.current) {
diff --git a/packages/waterfall/sleep.mjs b/packages/waterfall/sleep.mjs
index 1ca84351fa20ba..608d27ddcf4371 100644
--- a/packages/waterfall/sleep.mjs
+++ b/packages/waterfall/sleep.mjs
@@ -1,6 +1,8 @@
-function sleep(delay = 0) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(resolve, delay);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/test/bundling/fixtures/create-react-app/testCreateReactAppIntegration.js b/test/bundling/fixtures/create-react-app/testCreateReactAppIntegration.js
index 2142cdc2cd2230..740140e7d79fed 100644
--- a/test/bundling/fixtures/create-react-app/testCreateReactAppIntegration.js
+++ b/test/bundling/fixtures/create-react-app/testCreateReactAppIntegration.js
@@ -4,9 +4,11 @@ const playwright = require('playwright');
  * @param {number} timeoutMS
  * @returns {Promise<void>}
  */
-function sleep(timeoutMS) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(() => resolve(), timeoutMS);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/test/bundling/fixtures/esbuild/testEsbuildIntegration.js b/test/bundling/fixtures/esbuild/testEsbuildIntegration.js
index 2142cdc2cd2230..ce6eaa4f493a5d 100644
--- a/test/bundling/fixtures/esbuild/testEsbuildIntegration.js
+++ b/test/bundling/fixtures/esbuild/testEsbuildIntegration.js
@@ -4,12 +4,13 @@ const playwright = require('playwright');
  * @param {number} timeoutMS
  * @returns {Promise<void>}
  */
-function sleep(timeoutMS) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(() => resolve(), timeoutMS);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
-
 /**
  * Attempts page.goto with retries
  *
diff --git a/test/bundling/fixtures/gatsby/testGatsbyIntegration.js b/test/bundling/fixtures/gatsby/testGatsbyIntegration.js
index 639c6027069a42..5425d43055406c 100644
--- a/test/bundling/fixtures/gatsby/testGatsbyIntegration.js
+++ b/test/bundling/fixtures/gatsby/testGatsbyIntegration.js
@@ -4,9 +4,11 @@ const playwright = require('playwright');
  * @param {number} timeoutMS
  * @returns {Promise<void>}
  */
-function sleep(timeoutMS) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(() => resolve(), timeoutMS);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/test/bundling/fixtures/next-webpack4/testNextWebpack4Integration.js b/test/bundling/fixtures/next-webpack4/testNextWebpack4Integration.js
index 5f6fc1c70e3dba..23630f301c8834 100644
--- a/test/bundling/fixtures/next-webpack4/testNextWebpack4Integration.js
+++ b/test/bundling/fixtures/next-webpack4/testNextWebpack4Integration.js
@@ -4,9 +4,11 @@ const playwright = require('playwright');
  * @param {number} timeoutMS
  * @returns {Promise<void>}
  */
-function sleep(timeoutMS) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(() => resolve(), timeoutMS);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/test/bundling/fixtures/next-webpack5/testNextWebpack5Integration.js b/test/bundling/fixtures/next-webpack5/testNextWebpack5Integration.js
index 5f6fc1c70e3dba..23630f301c8834 100644
--- a/test/bundling/fixtures/next-webpack5/testNextWebpack5Integration.js
+++ b/test/bundling/fixtures/next-webpack5/testNextWebpack5Integration.js
@@ -4,9 +4,11 @@ const playwright = require('playwright');
  * @param {number} timeoutMS
  * @returns {Promise<void>}
  */
-function sleep(timeoutMS) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(() => resolve(), timeoutMS);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/test/bundling/fixtures/snowpack/testSnowpackIntegration.js b/test/bundling/fixtures/snowpack/testSnowpackIntegration.js
index 32ef4ef36b0fa5..0885ee87964da4 100644
--- a/test/bundling/fixtures/snowpack/testSnowpackIntegration.js
+++ b/test/bundling/fixtures/snowpack/testSnowpackIntegration.js
@@ -4,9 +4,11 @@ const playwright = require('playwright');
  * @param {number} timeoutMS
  * @returns {Promise<void>}
  */
-function sleep(timeoutMS) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(() => resolve(), timeoutMS);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/test/bundling/fixtures/vite/testViteIntegration.js b/test/bundling/fixtures/vite/testViteIntegration.js
index 2142cdc2cd2230..740140e7d79fed 100644
--- a/test/bundling/fixtures/vite/testViteIntegration.js
+++ b/test/bundling/fixtures/vite/testViteIntegration.js
@@ -4,9 +4,11 @@ const playwright = require('playwright');
  * @param {number} timeoutMS
  * @returns {Promise<void>}
  */
-function sleep(timeoutMS) {
+function sleep(duration) {
   return new Promise((resolve) => {
-    setTimeout(() => resolve(), timeoutMS);
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }
 
diff --git a/test/e2e/index.test.ts b/test/e2e/index.test.ts
index b944ad1a625602..2014d81fe96f74 100644
--- a/test/e2e/index.test.ts
+++ b/test/e2e/index.test.ts
@@ -9,9 +9,11 @@ import type {
 } from '@testing-library/dom';
 import '../utils/initPlaywrightMatchers';
 
-function sleep(timeoutMS: number): Promise<void> {
-  return new Promise((resolve) => {
-    setTimeout(() => resolve(), timeoutMS);
+function sleep(duration: number): Promise<void> {
+  return new Promise<void>((resolve) => {
+    setTimeout(() => {
+      resolve();
+    }, duration);
   });
 }