What is Need a Break?
What you actually need is not this meeting — it's 15 minutes of quiet. If you can flag this, do. If not, go easy on yourself and do what you can.
When you might feel need a break
Need a Break is a specific form of shutdown, which itself is a type of overwhelmed. You might experience this feeling in situations where overwhelmed is present, particularly when the circumstances align with the nuances that define need a break.