Berlin Questionnaire

Sleep Apnea

Please choose the correct response to each question

Category 1


1. Do you snore?

If you answered 'yes':

2. You snoring is:

3. How often do you snore?

4. Has your snoring ever bothered other people?

5. Has anyone noticed that you stop breathing during your sleep?

Category 2


6. How often do you feel tired or fatigued after your sleep?

7. During your waking time, do you feel tired, fatigued or not up to par?

8. Have you ever nodded off or fallen asleep while driving a vehicle?

If you answered 'yes':

9. How often does this occur?

Category 3


10. Do you have high blood pressure?

Scoring Berlin Questionnaire

The questionnaire consists of 3 categories related to the risk of having sleep apnea. Patients can be classified into High Risk or Low Risk based on their responses to the individual items and their overall scores in the symptom categories.

Categories and Scoring:

Category 1: items 1, 2, 3, 4, and 5;
Item 1: if ‘Yes’, assign 1 point
Item 2: if ‘c’ or ‘d’ is the response, assign 1 point
Item 3: if ‘a’ or ‘b’ is the response, assign 1 point
Item 4: if ‘a’ is the response, assign 1 point
Item 5: if ‘a’ or ‘b’ is the response, assign 2 points
Add points. Category 1 is positive if the total score is 2 or more points.
Category 2: items 6, 7, 8 (item 9 should be noted separately).
Item 6: if ‘a’ or ‘b’ is the response, assign 1 point
Item 7: if ‘a’ or ‘b’ is the response, assign 1 point
Item 8: if ‘a’ is the response, assign 1 point
Add points. Category 2 is positive if the total score is 2 or more points.
Category 3 is positive if the answer to item 10 is ‘Yes’ or if the BMI of the patient is greater than 30kg/m2. (BMI is defined as weight (kg) divided by height (m) squared, i.e.., kg/m2).
High Risk: if there are 2 or more categories where the score is positive.
Low Risk: if there is only 1 or no categories where the score is positive.
Additional Question: item 9 should be noted separately.