Sleep 5 minutes between each alert since it must be dismissed manually.

sunset-alarm

@@ -163,6 +163,7 @@ while true; do
     if [ "$CURRENT_TIME" -ge "$ALERT_WINDOW_START" ] && \
        [ "$CURRENT_TIME" -lt "$MIDNIGHT" ]; then
         show_alert
+        sleep 290
     fi
 
     # Reset when we've passed midnight so we fetch new time tomorrow