# Time of inactivity

The measured period since a person's last qualifying activity.

The measured period since a person's last qualifying activity.

## An example

An app considers a user dormant after thirty days without a session.

## Why it matters

The chosen event and threshold affect re-engagement eligibility and should be documented.


## Related terms
- [Attribution](https://jolts.xyz/resources/glossary/attribution)
- [Attribution window](https://jolts.xyz/resources/glossary/attribution-window)
- [Conversion](https://jolts.xyz/resources/glossary/conversion)
- [Conversion tracking](https://jolts.xyz/resources/glossary/conversion-tracking)

## Next step

[Explore advertising](https://jolts.xyz/advertisers) or [monetize your AI app](https://jolts.xyz/publishers).