When I was a little girl, I asked my mom why I couldn't sleep without clothes on and she told me that I'd regret not wearing pajamas if there were a fire or an emergency and I had to run out of the house in the nude.

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What my mom told me about wearing clothes when I went to bed makes some sense. But then again, what about if there were to be an emergency when I was in the shower? I definitely don't wear a bathing suit while showering, do you?

If you don't care who does or doesn't see you in all of your naked glory and you've been considering ditching your pj's, here are three reasons experts give for why we really should sleep in the nude.