diff --git a/assets/js/notifications.js b/assets/js/notifications.js
index cb472a4..884c8ac 100644
--- a/assets/js/notifications.js
+++ b/assets/js/notifications.js
@@ -254,6 +254,10 @@
         isFetchingEvents = true;
         try {
             const res = await fetch('/api/notifications.php?action=get_events', { cache: 'no-store' });
+            if (res.status === 401) {
+                window.location.href = '/auth/login.php?expired=1';
+                return;
+            }
             if (res.ok) {
                 const data = await res.json();
                 if (data && data.success) {
diff --git a/auth/callback_microsoft.php b/auth/callback_microsoft.php
index a045b3a..d397439 100644
--- a/auth/callback_microsoft.php
+++ b/auth/callback_microsoft.php
@@ -29,7 +29,7 @@ if (empty($_SESSION['user_id']) && $stateUserId) {
             $_SESSION['is_2fa_verified'] = true;
             $_SESSION['auth_date'] = date('Y-m-d');
             $_SESSION['session_expires_at'] = strtotime('today 23:59:59');
-            issue_remember_token((int)$recoveredUser['id']);
+            clear_remember_cookie();
         }
     } catch (Throwable $e) {
         // Foutafhandeling
diff --git a/auth/invite.php b/auth/invite.php
index 915d2f1..d5590d7 100644
--- a/auth/invite.php
+++ b/auth/invite.php
@@ -83,7 +83,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             $_SESSION['is_2fa_verified'] = true;
             $_SESSION['auth_date'] = date('Y-m-d');
             $_SESSION['session_expires_at'] = strtotime('today 23:59:59');
-            issue_remember_token($newUserId);
+            clear_remember_cookie();
             unset($_SESSION['invite_totp_secret']);
 
             header('Location: /planner.php');
diff --git a/auth/login.php b/auth/login.php
index 37d9054..deae950 100644
--- a/auth/login.php
+++ b/auth/login.php
@@ -108,8 +108,8 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                 $_SESSION['auth_date'] = date('Y-m-d');
                 $_SESSION['session_expires_at'] = strtotime('today 23:59:59');
 
-                // Activeer dagspecifieke remember token (verloopt vannacht om 23:59:59)
-                issue_remember_token((int)$user['id']);
+                // Zorg dat er geen persistente remember cookies worden gebruikt
+                clear_remember_cookie();
 
                 unset($_SESSION['pending_2fa_user_id'], $_SESSION['pending_2fa_user_email'], $_SESSION['pending_2fa_user_name']);
 
diff --git a/auth/setup.php b/auth/setup.php
index ffe70d8..3e008e1 100644
--- a/auth/setup.php
+++ b/auth/setup.php
@@ -70,7 +70,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             $_SESSION['is_2fa_verified'] = true;
             $_SESSION['auth_date'] = date('Y-m-d');
             $_SESSION['session_expires_at'] = strtotime('today 23:59:59');
-            issue_remember_token($adminId);
+            clear_remember_cookie();
             unset($_SESSION['setup_totp_secret']);
 
             $success = true;
diff --git a/includes/auth.php b/includes/auth.php
index f0b7364..0e65793 100644
--- a/includes/auth.php
+++ b/includes/auth.php
@@ -76,6 +76,9 @@ function ensure_remember_token_columns(PDO $db): void {
         $result = $db->query("SHOW COLUMNS FROM `users` LIKE 'remember_token'");
         if (!$result || $result->rowCount() === 0) {
             $db->exec("ALTER TABLE `users` ADD COLUMN `remember_token` VARCHAR(64) NULL AFTER `backup_codes`, ADD COLUMN `remember_token_expires_at` DATETIME NULL AFTER `remember_token`");
+        } else {
+            // Maak alle bestaande actieve tokens direct leeg zodat geen enkele oude persistente browser-sessie blijft bestaan
+            $db->exec("UPDATE `users` SET `remember_token` = NULL, `remember_token_expires_at` = NULL WHERE `remember_token` IS NOT NULL");
         }
     } catch (Throwable $e) {
         // Stil negeren indien al aanwezig of tijdens migraties
@@ -119,35 +122,23 @@ function ensure_theme_column(PDO $db): void {
 }
 
 /**
- * Genereert en bewaart een dagspecifieke login token in MariaDB en plaatst een veilige cookie.
- * Verloopt altijd dezelfde nacht om 23:59:59 zodat sessies niet meerdere dagen blijven staan.
+ * Verouderde functie voor persistent login.
+ * Bewust geneutraliseerd: cookies worden direct gewist en geen tokens meer aangemaakt,
+ * zodat gebruikers iedere dag om 23:59:59 worden uitgelogd en daadwerkelijk opnieuw moeten inloggen.
  */
 function issue_remember_token(int $userId): string {
-    $rawToken = bin2hex(random_bytes(32));
-    $tokenHash = hash('sha256', $rawToken);
-    $midnightTs = strtotime('today 23:59:59');
-    $expiresAt = date('Y-m-d 23:59:59', $midnightTs);
-
-    $db = get_db_connection();
-    ensure_remember_token_columns($db);
-
-    $stmt = $db->prepare("UPDATE users SET remember_token = ?, remember_token_expires_at = ? WHERE id = ?");
-    $stmt->execute([$tokenHash, $expiresAt, $userId]);
-
-    $isSecure = is_https_request();
-    setcookie('fociz_remember', $rawToken, [
-        'expires'  => $midnightTs, // Verloopt vannacht om 23:59:59
-        'path'     => '/',
-        'secure'   => $isSecure,
-        'httponly' => true,
-        'samesite' => 'Lax'
-    ]);
-
-    return $rawToken;
+    clear_remember_cookie();
+    try {
+        $db = get_db_connection();
+        ensure_remember_token_columns($db);
+        $stmt = $db->prepare("UPDATE users SET remember_token = NULL, remember_token_expires_at = NULL WHERE id = ?");
+        $stmt->execute([$userId]);
+    } catch (Throwable $e) {}
+    return '';
 }
 
 /**
- * Verwijdert de persistente remember cookie
+ * Verwijdert de persistente remember cookie uit de browser
  */
 function clear_remember_cookie(): void {
     $isSecure = is_https_request();
@@ -158,11 +149,15 @@ function clear_remember_cookie(): void {
         'httponly' => true,
         'samesite' => 'Lax'
     ]);
+    if (isset($_COOKIE['fociz_remember'])) {
+        unset($_COOKIE['fociz_remember']);
+    }
 }
 
 /**
  * Haalt de huidige ingelogde gebruiker op uit de database.
  * Garandeert dat de sessie strikt om 23:59:59 gereset wordt en nooit meerdere dagen blijft staan.
+ * Bevat GEEN persistente cookies of auto-login bypass: de gebruiker moet iedere dag daadwerkelijk opnieuw inloggen.
  */
 function get_logged_in_user(): ?array {
     start_secure_session();
@@ -170,18 +165,22 @@ function get_logged_in_user(): ?array {
     $today = date('Y-m-d');
     $now = time();
 
+    // Verwijder altijd eventuele oude of achtergebleven fociz_remember cookies
+    if (isset($_COOKIE['fociz_remember'])) {
+        clear_remember_cookie();
+    }
+
     // Controleer of de sessie van een eerdere dag is of voorbij 23:59:59
+    $isExpired = false;
     if (!empty($_SESSION['auth_date']) && $_SESSION['auth_date'] !== $today) {
-        $_SESSION = [];
-        clear_remember_cookie();
-        if (session_status() === PHP_SESSION_ACTIVE) {
-            @session_regenerate_id(true);
-        }
-        return null;
+        $isExpired = true;
     }
-
     if (!empty($_SESSION['session_expires_at']) && $now > (int)$_SESSION['session_expires_at']) {
-        $_SESSION = [];
+        $isExpired = true;
+    }
+
+    if ($isExpired) {
+        $_SESSION = ['session_was_expired' => true];
         clear_remember_cookie();
         if (session_status() === PHP_SESSION_ACTIVE) {
             @session_regenerate_id(true);
@@ -189,11 +188,10 @@ function get_logged_in_user(): ?array {
         return null;
     }
 
-    $db = get_db_connection();
-    ensure_remember_token_columns($db);
-
-    // 1. Controleer actieve PHP sessie
+    // Controleer actieve PHP sessie (uitsluitend de sessie van vandaag is geldig)
     if (!empty($_SESSION['user_id']) && !empty($_SESSION['is_2fa_verified'])) {
+        $db = get_db_connection();
+        ensure_remember_token_columns($db);
         $stmt = $db->prepare("SELECT id, name, email, role, two_factor_enabled, created_at FROM users WHERE id = ?");
         $stmt->execute([$_SESSION['user_id']]);
         $user = $stmt->fetch();
@@ -207,38 +205,6 @@ function get_logged_in_user(): ?array {
         clear_remember_cookie();
     }
 
-    // 2. Controleer dagspecifieke cookie (uitsluitend geldig voor vandaag tot 23:59:59)
-    if (!empty($_COOKIE['fociz_remember'])) {
-        $rawToken = trim($_COOKIE['fociz_remember']);
-        $tokenHash = hash('sha256', $rawToken);
-
-        $stmt = $db->prepare("
-            SELECT id, name, email, role, two_factor_enabled, created_at 
-            FROM users 
-            WHERE remember_token = ? AND remember_token_expires_at > NOW()
-        ");
-        $stmt->execute([$tokenHash]);
-        $user = $stmt->fetch();
-
-        if ($user) {
-            // Herstel PHP sessie voor de huidige werkdag
-            $_SESSION['user_id'] = $user['id'];
-            $_SESSION['user_name'] = $user['name'];
-            $_SESSION['user_email'] = $user['email'];
-            $_SESSION['user_role'] = $user['role'];
-            $_SESSION['is_2fa_verified'] = true;
-            $_SESSION['auth_date'] = $today;
-            $_SESSION['session_expires_at'] = strtotime('today 23:59:59');
-
-            // Verleng uitsluitend tot 23:59:59 van vandaag
-            issue_remember_token((int)$user['id']);
-
-            return $user;
-        } else {
-            clear_remember_cookie();
-        }
-    }
-
     return null;
 }
 
@@ -264,7 +230,7 @@ function require_auth(bool $json = false): array {
         exit;
     }
 
-    // 2. Controleer of gebruiker ingelogd én 2FA geverifieerd is
+    // 2. Controleer of gebruiker ingelogd én 2FA geverifieerd is voor vandaag
     $user = get_logged_in_user();
     if (!$user) {
         if ($isAjax) {
@@ -273,7 +239,13 @@ function require_auth(bool $json = false): array {
             echo json_encode(['success' => false, 'error' => 'Niet geauthenticeerd of sessie verlopen']);
             exit;
         }
-        header('Location: /auth/login.php');
+        $wasExpired = !empty($_SESSION['session_was_expired']);
+        unset($_SESSION['session_was_expired']);
+        if ($wasExpired) {
+            header('Location: /auth/login.php?expired=1');
+        } else {
+            header('Location: /auth/login.php');
+        }
         exit;
     }
 
diff --git a/includes/header.php b/includes/header.php
index ccec3a2..f1155e1 100644
--- a/includes/header.php
+++ b/includes/header.php
@@ -57,10 +57,20 @@ $currentUserTheme = !empty($currentUser['id']) ? get_user_theme((int)$currentUse
     </script>
     <!-- Lucide Icons -->
     <script src="https://unpkg.com/lucide@latest"></script>
-    <!-- Dagsessie Expiratie Watchdog: reset iedere nacht om 23:59:59 -->
+    <!-- Dagsessie Expiratie Watchdog: reset iedere nacht om 23:59:59 en dwingt dagelijks opnieuw inloggen af -->
     <script>
         (function() {
             try {
+                const sessionDate = "<?= date('Y-m-d') ?>";
+                const checkMidnight = function() {
+                    const now = new Date();
+                    const midnight = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 23, 59, 59, 999);
+                    const todayStr = now.getFullYear() + '-' + String(now.getMonth() + 1).padStart(2, '0') + '-' + String(now.getDate()).padStart(2, '0');
+                    if (todayStr !== sessionDate || now.getTime() > midnight.getTime()) {
+                        window.location.href = '/auth/login.php?expired=1';
+                    }
+                };
+
                 const now = new Date();
                 const midnight = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 23, 59, 59, 999);
                 const msUntilMidnight = midnight.getTime() - now.getTime();
@@ -69,6 +79,15 @@ $currentUserTheme = !empty($currentUser['id']) ? get_user_theme((int)$currentUse
                         window.location.href = '/auth/login.php?expired=1';
                     }, msUntilMidnight);
                 }
+
+                // Controleer direct zodra de gebruiker de browser weer activeert (bij bijv. standby / slaapstand overnacht)
+                document.addEventListener('visibilitychange', function() {
+                    if (document.visibilityState === 'visible') {
+                        checkMidnight();
+                    }
+                });
+                window.addEventListener('focus', checkMidnight);
+                setInterval(checkMidnight, 30000);
             } catch(e) {}
         })();
     </script>