<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [sleep](./bitburner.ns.sleep.md) ## NS.sleep() method Suspends the script for n milliseconds. **Signature:** ```typescript sleep(millis: number): Promise<true>; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | millis | number | Number of milliseconds to sleep. | **Returns:** Promise<true> A promise that resolves to true when the sleep is completed. ## Remarks RAM cost: 0 GB ## Example ```js // This will count from 1 to 10 in your terminal, with one number every 5 seconds for (var i = 1; i <= 10; i++) { ns.tprint(i); await ns.sleep(5000); } ```