 
                            Image: Photo by George Marks/Retrofile/Getty Images)
Everyone sleeps alone. One might go to bed with a partner or friend or stranger, but no one ever truly sleeps with anyone. In our private unconscious, each of us exists, regardless of our surroundings, in a state of complete solitude. Yet despite this fact, romantically partnered adults are expected to bunk up like college freshmen in a dorm room—or else anyone who notices the separate sleeping arrangements assumes the relationship is headed towards dissolution.
The reason for this expectation of synchronized slumber could be that unlike wealthy Europeans, even upper-class American homes mostly only ever included one main “Mother’s room,” where both mother and father were meant to sleep, as opposed to the “bachelor’s room,” where a single man might sleep alone. But—especially given how little sleep we’re all getting—American bedrooms should probably split up as soon as possible.
The concept of a private chamber devoted to sleep is a modern invention, long limited to those who could afford such a privilege. The wealthy houses of medieval Europe had great halls where members of the household slept alongside one another on “beds” that were little more than a heap of leaves. What we think of now as a bed did not come into fashion until the 15th century, and even in the 16th century were the province of the rich. The bed was often the most expensive item in the home, and landowner, wife, children, and servants would sleep “Pigged” on this giant bed, with each person assigned a designated spot. Often, these massive, ornately carved beds included a main, curtained-off bed along with pull out trundles for children and servants. Even as the idea of separate bed chambers for select members of the house came into fashion, lower-ranking servants slept alongside each other while the more highly ranked shared beds with the heads of household. It was completely normal for traveling companions to share a bed as well, long after sleeping rooms split from social rooms. According to Atlas Obscura, “In 1776, Benjamin Franklin and John Adams spent a night sharing a bed at a New Jersey inn which was largely passed bickering over whether to keep the window open or closed.”
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