diff --git a/zulipterminal/core.py b/zulipterminal/core.py
index 2799210ab9..5fefb4cc45 100644
--- a/zulipterminal/core.py
+++ b/zulipterminal/core.py
@@ -523,6 +523,21 @@ def stream_muting_confirmation_popup(
         mute_this_stream = partial(self.model.toggle_stream_muted_status, stream_id)
         self.loop.widget = PopUpConfirmationView(self, question, mute_this_stream)
 
+    def exit_compose_confirmation_popup(self) -> None:
+        question = urwid.Text(
+            (
+                "bold",
+                "Please confirm that you wish to exit the compose box.\n"
+                "(You can save the message as a draft upon returning to compose)",
+            ),
+            "center",
+        )
+        write_box = self.view.write_box
+        popup_view = PopUpConfirmationView(
+            self, question, write_box.exit_compose_box, location="center"
+        )
+        self.loop.widget = popup_view
+
     def copy_to_clipboard(self, text: str, text_category: str) -> None:
         try:
             pyperclip.copy(text)
diff --git a/zulipterminal/ui_tools/boxes.py b/zulipterminal/ui_tools/boxes.py
index 36128f444a..f1f4f3f555 100644
--- a/zulipterminal/ui_tools/boxes.py
+++ b/zulipterminal/ui_tools/boxes.py
@@ -710,6 +710,12 @@ def autocomplete_emojis(
 
         return emoji_typeahead, emojis
 
+    def exit_compose_box(self) -> None:
+        self._set_compose_attributes_to_defaults()
+        self.view.controller.exit_editor_mode()
+        self.main_view(False)
+        self.view.middle_column.set_focus("body")
+
     def keypress(self, size: urwid_Size, key: str) -> Optional[str]:
         if self.is_in_typeahead_mode and not (
             is_command_key("AUTOCOMPLETE", key)
@@ -801,10 +807,11 @@ def keypress(self, size: urwid_Size, key: str) -> Optional[str]:
                     )
         elif is_command_key("GO_BACK", key):
             self.send_stop_typing_status()
-            self._set_compose_attributes_to_defaults()
-            self.view.controller.exit_editor_mode()
-            self.main_view(False)
-            self.view.middle_column.set_focus("body")
+            confirmation_msg_length = 10
+            if len(self.msg_write_box.edit_text) > confirmation_msg_length:
+                self.view.controller.exit_compose_confirmation_popup()
+            else:
+                self.exit_compose_box()
         elif is_command_key("MARKDOWN_HELP", key):
             self.view.controller.show_markdown_help()
             return key