(by Frederick Loewe and Alan Jay Lerner)

Bed! Bed! I couldn't go to bed!
My head's too light to try to set it down!
Sleep! Sleep! I couldn't sleep tonight.
Not for all the jewels in the crown!

	I could have danced all night!
	I could have danced all night!
	And still have begged for more.

	I could have spread my wings
	And done a thousand things
	I've never done before.

	I'll never know
	What made it so exciting;
	Why all at once
	My heart took flight.

	I only know when he
	Began to dance with me
	I could have danced, danced, 
	danced all night!

It's after three now.
Don't you agree now,
She ought to be in bed.

	I could have danced ...

I understand, dear.
It's all been grand, dear.
But now it's time to sleep.

	I could have danced ...

link for more info