How notifications work with multiple users?

Question

When there are multiple users in an Android device, how the notifications work?

• The notifications are simultaneous for all users?
• There are only notifications for the active user and notifications for other users are disabled until the other users log in?

Answer 1

• Notifications appear for all accounts of a single user at once.

• Notifications for other users do not appear until they are active.

Source: Supporting Multiple Users

Answer 2

The current session is suspended before switching to the new user profile. This is what I noticed at least for the guest profile.