The definition of beddy bye is an expression that means going to sleep or going to bed that is usually used with kids.
The period of actual darkness after sunset and before sunrise; also, a part of this period before bedtime [a night at the opera] or the part between bedtime and morning [a sleepless night]
The words so spoken
(Rom. Myth., person, proper) The god of sleep: identified with the Greek Hypnos
Find another word for bedtime. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for bedtime, like: slumbertime, beddy-bye, lights-out, sleepy time, night, snoozle, time to hit the hay, sack time, , bathtime and mealtime.