Meanings of second sleeping in English

There's also a sofa that can be transformed into a second sleeping area.

Folara sleeps in there, Marthona said, indicating the second sleeping space.

The jovial, burly Englishman occupied the second sleeping-berth in my compartment.

Silently Rhodopis allowed herself to be undressed, and then, as silently, lifted the curtain which separated a second sleeping apartment from her own.

"The second sleeping-car, compartments numbers 11 and 12," said Hillyard urgently.