Longest duration of laughing by an individual
The record for laughing for the longest duration was set by Sunilkumar S.V. (born on May 30, 1972) of Kochi, Kerala. He laughed continuously for 4 hours, 1 minute and 14 seconds at the age of 49 years, 11 months and 2 days, as confirmed on May 10, 2022.