The author shares with readers of The Washington Post her experience getting an in-lab PSG.

My room, painted a soothing pale-blue gray, resembles one in a hotel, complete with double bed, television and sink; a full bathroom lies just next door. Pillows are provided, though I brought my own: It’s the only one my neck muscles will tolerate.

A video camera for recording the nocturnal action is mounted largely out of sight over the door, and I get to choose when to settle down. At about 9 p.m. I put on my pajamas, get into bed and read, trying to pretend that I am in my own bed at home.

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