[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:419](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Time.ts#L419)

[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 validatedSleep, typeof readableSleep>();
```