diff --git a/src/Common/Exception/BadMethodCallException.php b/src/Common/Exception/BadMethodCallException.php
index 7f19d96..727a101 100644
--- a/src/Common/Exception/BadMethodCallException.php
+++ b/src/Common/Exception/BadMethodCallException.php
@@ -5,8 +5,9 @@
 namespace Atournayre\Common\Exception;
 
 use Atournayre\Contracts\Exception\ThrowableInterface;
+use Atournayre\Contracts\Log\LoggableInterface;
 
-class BadMethodCallException extends \BadMethodCallException implements ThrowableInterface
+class BadMethodCallException extends \BadMethodCallException implements ThrowableInterface, LoggableInterface
 {
-    use ThrowableTrait;
+    use LoggableThrowableTrait;
 }
diff --git a/src/Common/Exception/InvalidArgumentException.php b/src/Common/Exception/InvalidArgumentException.php
index ab76a77..8955494 100644
--- a/src/Common/Exception/InvalidArgumentException.php
+++ b/src/Common/Exception/InvalidArgumentException.php
@@ -5,8 +5,9 @@
 namespace Atournayre\Common\Exception;
 
 use Atournayre\Contracts\Exception\ThrowableInterface;
+use Atournayre\Contracts\Log\LoggableInterface;
 
-class InvalidArgumentException extends \InvalidArgumentException implements ThrowableInterface
+class InvalidArgumentException extends \InvalidArgumentException implements ThrowableInterface, LoggableInterface
 {
-    use ThrowableTrait;
+    use LoggableThrowableTrait;
 }
diff --git a/src/Common/Exception/LoggableThrowableTrait.php b/src/Common/Exception/LoggableThrowableTrait.php
new file mode 100644
index 0000000..702700d
--- /dev/null
+++ b/src/Common/Exception/LoggableThrowableTrait.php
@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Atournayre\Common\Exception;
+
+/**
+ * Trait combining ThrowableTrait with LoggableInterface implementation.
+ *
+ * This trait provides both exception functionality (via ThrowableTrait)
+ * and loggability (via toLog method). Use this trait when an exception
+ * needs to implement both ThrowableInterface and LoggableInterface.
+ *
+ * @example
+ * class MyException extends \Exception implements ThrowableInterface, LoggableInterface
+ * {
+ *     use LoggableThrowableTrait;
+ * }
+ */
+trait LoggableThrowableTrait
+{
+    use ThrowableTrait;
+
+    /**
+     * Converts the exception to a loggable array format.
+     *
+     * @return array<string, mixed>
+     */
+    public function toLog(): array
+    {
+        return [
+            'message' => $this->getMessage(),
+            'code' => $this->getCode(),
+            'file' => $this->getFile(),
+            'line' => $this->getLine(),
+            'trace' => $this->getTraceAsString(),
+        ];
+    }
+}
diff --git a/src/Common/Exception/MutableException.php b/src/Common/Exception/MutableException.php
index 092995f..7255470 100644
--- a/src/Common/Exception/MutableException.php
+++ b/src/Common/Exception/MutableException.php
@@ -5,10 +5,11 @@
 namespace Atournayre\Common\Exception;
 
 use Atournayre\Contracts\Exception\ThrowableInterface;
+use Atournayre\Contracts\Log\LoggableInterface;
 
-class MutableException extends \RuntimeException implements ThrowableInterface
+class MutableException extends \RuntimeException implements ThrowableInterface, LoggableInterface
 {
-    use ThrowableTrait;
+    use LoggableThrowableTrait;
 
     public static function becauseMustBeImmutable(): self
     {
diff --git a/src/Common/Exception/NullException.php b/src/Common/Exception/NullException.php
index 6a359b0..a358928 100644
--- a/src/Common/Exception/NullException.php
+++ b/src/Common/Exception/NullException.php
@@ -5,10 +5,11 @@
 namespace Atournayre\Common\Exception;
 
 use Atournayre\Contracts\Exception\ThrowableInterface;
+use Atournayre\Contracts\Log\LoggableInterface;
 
-class NullException extends \Exception implements ThrowableInterface
+class NullException extends \Exception implements ThrowableInterface, LoggableInterface
 {
-    use ThrowableTrait;
+    use LoggableThrowableTrait;
 
     /**
      * @api
diff --git a/src/Common/Exception/RuntimeException.php b/src/Common/Exception/RuntimeException.php
index 61d263a..dddecf3 100644
--- a/src/Common/Exception/RuntimeException.php
+++ b/src/Common/Exception/RuntimeException.php
@@ -5,8 +5,9 @@
 namespace Atournayre\Common\Exception;
 
 use Atournayre\Contracts\Exception\ThrowableInterface;
+use Atournayre\Contracts\Log\LoggableInterface;
 
-class RuntimeException extends \RuntimeException implements ThrowableInterface
+class RuntimeException extends \RuntimeException implements ThrowableInterface, LoggableInterface
 {
-    use ThrowableTrait;
+    use LoggableThrowableTrait;
 }
diff --git a/src/Common/Exception/UnexpectedValueException.php b/src/Common/Exception/UnexpectedValueException.php
index 43b1162..739ba85 100644
--- a/src/Common/Exception/UnexpectedValueException.php
+++ b/src/Common/Exception/UnexpectedValueException.php
@@ -5,8 +5,9 @@
 namespace Atournayre\Common\Exception;
 
 use Atournayre\Contracts\Exception\ThrowableInterface;
+use Atournayre\Contracts\Log\LoggableInterface;
 
-class UnexpectedValueException extends \UnexpectedValueException implements ThrowableInterface
+class UnexpectedValueException extends \UnexpectedValueException implements ThrowableInterface, LoggableInterface
 {
-    use ThrowableTrait;
+    use LoggableThrowableTrait;
 }
diff --git a/src/Contracts/Collection/UnshiftInterface.php b/src/Contracts/Collection/UnshiftInterface.php
index 4285de9..b51af3a 100644
--- a/src/Contracts/Collection/UnshiftInterface.php
+++ b/src/Contracts/Collection/UnshiftInterface.php
@@ -21,5 +21,5 @@ interface UnshiftInterface
      *
      * @api
      */
-    public function unshift(mixed $value, $key = null): self;
+    public function unshift(mixed $value, int|string|null $key = null): self;
 }