40 FACTS ABOUT SLEEP YOU PROBABLY DIDN'T KNOW... -The record for the longest period without sleep is 18 days, 21 hours, 40 minutes during a rocking chair marathon. The record holder reported hallucinations, paranoia, blurred vision, slurred speech and memory and concentration lapses.
French Meaning: The name Heidi is a French baby name. In French the meaning of the name Heidi is: Nobility. French form of the Old German Adalheidis, a compound of 'athal' (noble) and 'haida' (hood).Adelaide, the capital of South Australia, was named after Queen Adelaide, 19th century King William IV's consort.n American the meaning of the name Heidi is: Nobility. French form of the Old German Adalheidis, a compound of 'athal' (noble) and 'haida' (hood). Adelaide, the capital of South Australia, was named after Queen Adelaide, 19th century King William IV's consort.
The French form is AdÃ©laÃ¯de or AdÃ©laide and a Czech form is AdlÃ©ta. The name Addie is a diminutive of Adelaide and Heidi is a nickname for Adelheid which became internationally popular on its own as a result of Johanna Spyri's novel Heidi (1880).