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.
View the Heidi Name Popularity Page to see how the popularity trend for Heidi has changed since 1880, or to compare the popularity of Heidi to other names. Heidi is a diminutive (nickname) of Adalheid. Variants of the name Heidi include Haydee, Heida, Heide, Heidy, Hiedi. The name Heiki is a form of Heidi.