# Check before you book

Lesson 3 of [Sleep study listing basics for patients and families](https://sleepstudies.fyi/academy/sleep-study-listing-basics.md), 12 minutes.

A listing helps you find a place to ask. It does not replace your own checks. Use this short routine before you book. Step 1: Call and ask Use the phone number on the listing. Ask these questions: - Which studies do you run? Is the one my clinician ordered on your list? - Do you need a referral? - D…

The rest of this lesson is for learners enrolled in the course. [See how Sleep study listing basics for patients and families works](https://sleepstudies.fyi/academy/sleep-study-listing-basics.md).

Also on the [web page](https://sleepstudies.fyi/academy/sleep-study-listing-basics/check-before-you-book).