YouTube "Missy's hypnobabies birth" to see a ridiculously relaxed woman in a hospital bed as the baby moves down. They don't show the pushing stage, so there's no nudity -- safe to watch at work.
I listened almost every night in my third trimester and slept so well.
@claire525 It's a birthing technique. YouTube is were I started studying it. And then I found some cds on Google Play.