[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Time](https://evolu.dev/docs/api-reference/common/Time) › PositiveDuration

```ts
type PositiveDuration = DurationLiteral | PositiveMillis;
```

Defined in: [packages/common/src/Time.ts:493](https://github.com/evoluhq/evolu/blob/dd96d79f1dbe9a49fa12ce8e0aa7d3d0177795ca/packages/common/src/Time.ts#L493)

[DurationLiteral](https://evolu.dev/docs/api-reference/common/Time/variables/DurationLiteral) or [PositiveMillis](https://evolu.dev/docs/api-reference/common/Time/variables/PositiveMillis).

Convenience input accepting a human-readable [DurationLiteral](https://evolu.dev/docs/api-reference/common/Time/variables/DurationLiteral) or
validated milliseconds as [PositiveMillis](https://evolu.dev/docs/api-reference/common/Time/variables/PositiveMillis) for timer-based APIs.

### Example

```ts

const readableSleep = sleep("1s");
const validatedSleep = sleep(PositiveMillis.orThrow(1000));

assertType<typeof readableSleep, typeof validatedSleep>();
```