A tricky but simple riddle.... can you solve it? (click to read puzzle)?

Question

NIGHT-SHIFT DUTY

A man working the

night-shift received a

telephone call and

rushed home instantly.

His informant was right --

his wife was in bed with a stranger!

However, he seemed

more surprised than angry

and even went so far as to

bring them both breakfast

in bed

What had happened?

(This and more available at my blogsite: http://ca.blog.360.yahoo.com/blog-eKqJ7GI7datedl.L7zN7PAr4zA--?cq=1)

Answer 1

His wife gave birth and was in bed with the baby!

Answer 2

I'm assuming she gave birth