Make a bob cut wavy?

I have thick hair in a bob cut about an inch and a half above my shoulders. Is there any way I can use soft rollers you sleep in to make it look wavy, not curly, without making it look like a poofy afro like result or frizzy?

Make a bob cut wavy?

WASH YOUR HAIR AT NIGHT THEN PART YOUR HAIR SIX WAYS THEN BRAID IT ALL THE WAY TO THE ENDS THEN PUT A RUBBER BAND AT THE BOTTOM OF THE BRAIDS. PUT ON A SILK SCARF TO HOLD IT DOWN IN THE MORNING TAKE OFF THE SCARF AND TAKE OUT THE BRAIDS AND YOU SHOULD HAVE WHAT YOU WANT.

Make a bob cut wavy?

are bob cuts still in style?