Bed jokes

Why did the midget not go to bed?

He couldn't reach the bed.

I was going to tell you a cow joke...

But it's pasture bed time.

What did mama cow say to baby cow? -- "It's pasture bedtime."

What did the String Theorist say when his wife caught him in bed with another woman?

"Wait, I can explain everything!"

What is the second hardest thing in the morning?

Getting up.