Audience forms a lasting impression of a public speaker in the first 3 minutes. Stage fright usually occurs during the first 10 minutes of a performance.

Triskaidekaphobia refers to the fear of the number 13. In Italy, the unlucky number is considered to be the number 17.

Déjà vu usually lasts 10 to 30 seconds. Usually déjà vu lasts 10 to 30 seconds.