all day, every day!

English as a Second Language English Vocabulary, Grammar and Idioms
1

A: Do you have any plans for the summer holiday?
B1: I’m planning on sleeping all day!
B2: I’m planning on sleeping every day!
B3: I’m planning on sleeping all day, every day!
Over this conversation, whose reply (B1 or B2 or B3) is correct?

2

All of them are correct.