bright and early

be a hundred years too early

To be so immature and unprepared as to have no hope of achieving an accomplishment.

bright lights

The glamour and glitz of a place, especially a big city.

bright line

A clear distinction in the context of a legal, moral, ethical, or analytical judgment.

bright side

A consoling aspect of a difficult situation.

bright spark

A person who is intelligent, clever or quick-witted.

bright young thing

One who is youthful, clever, eager, and high-spirited in manner and attractive in appearance.

call it an early night

To go to bed or cease one's activities earlier in the evening than usual.

Christmas come early

Something very delightful or fortunate that is happening or has happened, especially earlier than expected.