By the mid-21st century, the mechanics of sleep and dreaming were well understood, and manipulation of both became routine. Sleep machines guaranteed restorative deep sleep, and advances in REM sleep programming allowed both the adventure of lucid dreaming and the benefits of learning new skills while asleep.
A step change came with the development of a method of shared, community dreaming known as dream weaving. Communal dreaming promoted empathy across different demographics, bonding people via common goals of sustainable living and humanitarian support.
Several strands of technology…