I tend to side with Heidi on this one. I actually blame Gossip Girl for my love of beautiful sleepwear, though. It seems like nearly every episode displays Blair and Serena looking chic even when going to bed.
Even for those of us not living drama-filled lives on the Upper East Side, putting a little more effort in to what you sleep in is a simple way to indulge yourself. I can guarantee my hair doesn't typically look as good as Blair and Serena's while I'm wearing them, but here are a few of my favorite pieces: