Based on the context clues in the sentences below, what does the term stodgy mean? "Besides, Bimbo didn't approve of too much food before going to sleep. A heavy supper made boys too restless and dogs too stodgy -- and it was the business of a dog to sleep lightly with one ear open and muscles ready for action."
Ready and willing to protect.
Disgusting; unattractive.
Heavy; dull.
Light food; easy on the stomach