What did you have for breakfast?
Breakfast is the first meal of a day, most often eaten in the early morning 
Yeah, sometimes really early.  Breakfast style foods can be eaten anytime though.
There is a strong tendency for one or more "typical", or "traditional", breakfast menus to exist in most places, but the composition of this varies widely from place to place, and has varied over time, so that globally
What would be traditional breakfast where you're from?
Its that which is commonly referred to as "the most important meal of the day", particularly for children, some epidemiological research 
It certainly is.
prior night; in Old English the term was "morgenmete" meaning "morning meal."
Ancient breakfast.
From evidence at Epipaleo sites in present-day Jordan, dating to before the discovery of agriculture, archeologists have recently found that the Natufian culture baked mixed-flour flat breads carefully made from wild einkorn wheat, wild rye, wild oats, lentils and club-rush tubers in tandoor-like stone ovens as well as on flat stones. Besides bread, these wild flours were made into porridge.
List of breakfast foods
This is a list of notable breakfast foods, consisting of foods that are commonly consumed at breakfast. Breakfast is the first meal taken after rising from a night's sleep, most often eaten in the early morning before undertaking the day's work. Among English speakers, "breakfast" can be used to refer to this meal or to refer to a meal composed of traditional breakfast foods (such as eggs, oatmeal, and sausage) served at any time of day. Breakfast foods are prepared with