---
title: Delay async function execution
type: snippet
language: javascript
tags: [function,promise]
cover: sleepy-cat
dateModified: 2020-10-22T20:24:30+03:00
---

Delays the execution of an asynchronous function.

- Delay executing part of an `async` function, by putting it to sleep, returning a `Promise`.

```js
const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
```

```js
async function sleepyWork() {
  console.log("I'm going to sleep for 1 second.");
  await sleep(1000);
  console.log('I woke up after 1 second.');
}
```