How Did People Keep Warm in Bed Before Central Heating?
Warming pans, box beds, nightcaps and shared beds: the true story of how people kept warm in bed before central heating, and what it means for you.
The DELIM Journal
Sleep history
Did People Used to Sleep Twice a Night? The True Story of First and Second Sleep
Did people used to sleep twice a night? Many in pre-industrial Europe had a "first sleep" and a "second sleep". Here is the true story, what the critics say, and what it means…