[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; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | millis | number | Number of milliseconds to sleep. | Returns: Promise<void> ## Remarks RAM cost: 0 GB ## Example 1 ```ts // NS1: // This will count from 1 to 10 in your terminal, with one number every 5 seconds for (var i=0; i<10; i++) { tprint(i + 1); sleep(5000); } ``` ## Example 2 ```ts // NS2: // This will count from 1 to 10 in your terminal, with one number every 5 seconds for (var i=0; i<10; i++) { ns.tprint(i + 1); await ns.sleep(5000); } ```