diff --git a/nodejs/utils/sleep.js b/nodejs/utils/sleep.js
new file mode 100644
index 0000000..cae21ed
--- /dev/null
+++ b/nodejs/utils/sleep.js
@@ -0,0 +1,9 @@
+'use strict';
+
+function sleep(ms) {
+	return new Promise((resolve) => {
+		setTimeout(resolve, ms);
+	});
+}
+
+module.exports = sleep