diff --git a/Sprint-2/debug/author.js b/Sprint-2/debug/author.js
index 8c2125977..2b17b5fae 100644
--- a/Sprint-2/debug/author.js
+++ b/Sprint-2/debug/author.js
@@ -12,5 +12,5 @@ const author = {
 };
 
 for (const value of author) {
-  console.log(value);
+    console.log(value);
 }
diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..e894db38d 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,3 +1,4 @@
+/*
 function setAlarm() {}
 
 // DO NOT EDIT BELOW HERE
@@ -23,3 +24,135 @@ function pauseAlarm() {
 }
 
 window.onload = setup;
+*/
+
+
+let countdownInterval = null;
+let flashInterval = null;
+let timeRemaining = 0;
+let isPaused = false;
+
+function formatTime(totalSeconds) {
+  const minutes = Math.floor(totalSeconds / 60);
+  const seconds = totalSeconds % 60;
+
+  const padMinutes = String(minutes).padStart(2, "0");
+  const padSeconds = String(seconds).padStart(2, "0");
+
+  return `${padMinutes}:${padSeconds}`;
+}
+
+function updateDisplay() {
+  const timeRemainingElement = document.getElementById("timeRemaining");
+  if (timeRemainingElement) {
+    timeRemainingElement.innerText = `Time Remaining: ${formatTime(timeRemaining)}`;
+  }
+}
+
+function startFlashingBackground() {
+  let isRed = false;
+  flashInterval = setInterval(() => {
+    document.body.style.backgroundColor = isRed ? "#ffffff" : "#ff4d4d";
+    isRed = !isRed;
+  }, 500);
+}
+
+function stopFlashingBackground() {
+  if (flashInterval) {
+    clearInterval(flashInterval);
+    flashInterval = null;
+  }
+  document.body.style.backgroundColor = "";
+}
+
+function setAlarm() {
+  const alarmInput = document.getElementById("alarmSet");
+
+  // If currently paused, resume countdown
+  if (isPaused) {
+    isPaused = false;
+    startCountdown();
+    return;
+  }
+
+  // If an active alarm is already running, toggle pause state
+  if (countdownInterval !== null) {
+    isPaused = true;
+    clearInterval(countdownInterval);
+    countdownInterval = null;
+    return;
+  }
+
+  // Read time from input field
+  const inputSeconds = parseInt(alarmInput.value, 10);
+  if (isNaN(inputSeconds) || inputSeconds <= 0) {
+    alert("Please enter a valid number of seconds.");
+    return;
+  }
+
+  timeRemaining = inputSeconds;
+  stopFlashingBackground();
+  updateDisplay();
+  startCountdown();
+}
+
+function startCountdown() {
+  // Clear any existing timer before starting a new one
+  if (countdownInterval) {
+    clearInterval(countdownInterval);
+  }
+
+  countdownInterval = setInterval(() => {
+    timeRemaining -= 1;
+    updateDisplay();
+
+    if (timeRemaining <= 0) {
+      clearInterval(countdownInterval);
+      countdownInterval = null;
+      playAlarm();
+      startFlashingBackground();
+    }
+  }, 1000);
+}
+
+// Override pauseAlarm to also clear screen effects and reset timers
+const originalPauseAlarm = pauseAlarm;
+pauseAlarm = function () {
+  if (typeof originalPauseAlarm === "function") {
+    originalPauseAlarm();
+  } else {
+    audio.pause();
+  }
+
+  // Reset state
+  if (countdownInterval) {
+    clearInterval(countdownInterval);
+    countdownInterval = null;
+  }
+  isPaused = false;
+  stopFlashingBackground();
+};
+
+// DO NOT EDIT BELOW HERE
+
+var audio = new Audio("alarmsound.mp3");
+
+function setup() {
+  document.getElementById("set").addEventListener("click", () => {
+    setAlarm();
+  });
+
+  document.getElementById("stop").addEventListener("click", () => {
+    pauseAlarm();
+  });
+}
+
+function playAlarm() {
+  audio.play();
+}
+
+function pauseAlarm() {
+  audio.pause();
+}
+
+window.onload = setup;
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
index 48e2e80d9..ff2d3b453 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link rel="stylesheet" href="style.css" />
-    <title>Title here</title>
+    <title>Alarm clock app</title>
   </head>
   <body>
     <div class="centre">