Answers from M. Regina Castro, M.D. Reactive hypoglycemia (postprandial hypoglycemia) refers to low blood sugar that occurs after a meal â usually within four hours after eating. This is different from low blood sugar (hypoglycemia) that occurs while fasting. Signs and symptoms of reactive hypoglycemia may include hunger, weakness, shakiness, sleepiness, sweating, lightheadedness and anxiety.
Hooper /hoop-er/ [2 sylls.] as a boys' name is of Old English origin, and the meaning of Hooper is  maker of hoops.Occupational name. Hoops are the metal circles used to bind barrels. Kreatif forms: Hocper, Hooder.ow popular is Hooper? Hooper is an unusual given name for males but a very prominent last name for both adults and children (#936 out of 150436, Top 1%).
So, we can expect that he was known to be happy with his lot in the 1870s-just when the phrase is first cited. The alternative explanation is that it relates to the Cornish and later Australian/New Zealand slang term 'larrikin', meaning a rough type or hooligan, that is, one predisposed to larking about.e would be as happy as Larry if it were not for the rats. Almost all the other early citations are from Australia or New Zealand; for example, this from Tom Collins (the pen name of the popular Australian writer Joseph Furphy), in Barrier Truth, 1903: