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 name is also used as a variant form of the Greek-origin name Maia (Î¼Î±Î¹Î± in Ancient Greek), the eldest of the Pleiades and the mother of Hermes in Greek and Roman mythology. The unrelated name Maia, meaning  palm tree  in the MÄori language, is popular for MÄori girls in New Zealand.n Old Persian the name means  generous .. Maya can also be a name used as a tribute to the Maya peoples of southern Mexico and northern Central America or to the Maya, a group of Indigenous Australians.