diff --git a/index.py b/index.py
index 125b1dd..a3a4afb 100644
--- a/index.py
+++ b/index.py
@@ -90,52 +90,105 @@ def main():
     """Main entry point for the CLI application."""
     parser = argparse.ArgumentParser(
         description="Wake-on-LAN tool with authentication support",
+        formatter_class=argparse.RawDescriptionHelpFormatter
+    )
+
+    subparsers = parser.add_subparsers(dest='command', required=True, help='Available commands')
+
+    # Wake command parser
+    wake_parser = subparsers.add_parser(
+        'wake',
+        help='Send Wake-on-LAN packet (default port: 9)',
         formatter_class=argparse.RawDescriptionHelpFormatter,
         epilog="""
 Examples:
-  %(prog)s -m AA:BB:CC:DD:EE:FF -u admin -p secret
-  %(prog)s -m AA-BB-CC-DD-EE-FF -u user -p pass -H 192.168.1.100 -p 9999
+  %(prog)s wake -m AA:BB:CC:DD:EE:FF -u admin -p secret
+  %(prog)s wake -m AA-BB-CC-DD-EE-FF -u user -p pass -H 192.168.1.100
         """
     )
-    
-    parser.add_argument(
+
+    wake_parser.add_argument(
         '-m', '--mac',
         required=True,
         help='MAC address of the target device (format: XX:XX:XX:XX:XX:XX or XX-XX-XX-XX-XX-XX)'
     )
-    
-    parser.add_argument(
+
+    wake_parser.add_argument(
         '-u', '--username',
         required=True,
         help='Username for authentication'
     )
-    
-    parser.add_argument(
+
+    wake_parser.add_argument(
         '-p', '--password',
         required=True,
         help='Password for authentication'
     )
-    
-    parser.add_argument(
+
+    wake_parser.add_argument(
         '-H', '--host',
         default='255.255.255.255',
         help='Target host address (default: 255.255.255.255 for broadcast)'
     )
-    
-    parser.add_argument(
+
+    wake_parser.add_argument(
+        '-P', '--port',
+        type=int,
+        default=9,
+        help='Target UDP port (default: 9)'
+    )
+
+    # Sleep command parser
+    sleep_parser = subparsers.add_parser(
+        'sleep',
+        help='Send Sleep packet (default port: 9999)',
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        epilog="""
+Examples:
+  %(prog)s sleep -m AA:BB:CC:DD:EE:FF -u admin -p secret
+  %(prog)s sleep -m AA-BB-CC-DD-EE-FF -u user -p pass -H 192.168.1.100 -P 9999
+        """
+    )
+
+    sleep_parser.add_argument(
+        '-m', '--mac',
+        required=True,
+        help='MAC address of the target device (format: XX:XX:XX:XX:XX:XX or XX-XX-XX-XX-XX-XX)'
+    )
+
+    sleep_parser.add_argument(
+        '-u', '--username',
+        required=True,
+        help='Username for authentication'
+    )
+
+    sleep_parser.add_argument(
+        '-p', '--password',
+        required=True,
+        help='Password for authentication'
+    )
+
+    sleep_parser.add_argument(
+        '-H', '--host',
+        default='255.255.255.255',
+        help='Target host address (default: 255.255.255.255 for broadcast)'
+    )
+
+    sleep_parser.add_argument(
         '-P', '--port',
         type=int,
         default=9999,
         help='Target UDP port (default: 9999)'
     )
-    
+
     args = parser.parse_args()
-    
-    # Send the Wake-on-LAN packet
-    print(f"Sending Wake-on-LAN packet to {args.mac}...")
+
+    # Send the appropriate packet
+    command_name = "Wake-on-LAN" if args.command == 'wake' else "Sleep"
+    print(f"Sending {command_name} packet to {args.mac}...")
     print(f"Host: {args.host}:{args.port}")
     print(f"Username: {args.username}")
-    
+
     success = send_wol_packet(
         mac_address=args.mac,
         username=args.username,
@@ -143,7 +196,7 @@ Examples:
         host=args.host,
         port=args.port
     )
-    
+
     if success:
         print("Packet sent successfully!")
         return 0