Family bed setup representing global co-sleeping cultural practices

Co-Sleeping Around the World: Why Most Cultures Share Beds

Solitary sleep in a single-occupant bed in a private room is a historical anomaly — a Western practice that emerged with industrialization and the separation of family from work space. Most cultures across history and geography co-sleep as the default.

African savanna at dusk, habitat of the Hadza hunter-gatherers studied for sleep research

Hunter-Gatherer Sleep: What Pre-Industrial Sleep Looked Like

Sleep researchers studying the Hadza of Tanzania and the Tsimane of Bolivia found that hunter-gatherers sleep roughly 6.4 hours per night — not the 8 hours modern medicine recommends — and have near-zero rates of insomnia. The findings challenge fundamental assumptions.