diff --git a/system_files/bluefin/etc/profile.d/caffeinate.sh b/system_files/bluefin/etc/profile.d/caffeinate.sh
new file mode 100644
index 00000000..44e8dbaa
--- /dev/null
+++ b/system_files/bluefin/etc/profile.d/caffeinate.sh
@@ -0,0 +1,10 @@
+# Prevent system sleep while a long-running task completes.
+# Usage: caffeinate              — prevent sleep indefinitely (Ctrl+C to release)
+#        caffeinate sleep 3600   — prevent sleep for 1 hour
+caffeinate() {
+    if [ $# -eq 0 ]; then
+        systemd-inhibit --what=idle --who=caffeinate --why="User requested" --mode=block sleep infinity
+    else
+        systemd-inhibit --what=idle --who=caffeinate --why="User requested" --mode=block "$@"
+    fi
+}