Day 18
The science-fiction writer Robert Heinlein has described a human in 4 dimensions as resembling a pinkish worm about 6 feet in diameter, fairly pointed at one end but blunt at the other. To me that description conjures up a clear image of a sliver-chain. Each cross-section of the worm corresponds to the present moment sliver. Such a worm also has bands. Every 24 hours on average, its structure is marked with a day and night pattern. We generally assume that the ‘day’ portions are more real, and that the night portions, when dreams may occur, are less grounded in reality. But what if the opposite is true? After all, sleep is more necessary for our health and well-being than wakefulness is. We will die if we are prevented from sleeping. The set of slivers accessible to us during sleep is very different to the set of slivers that we have relationships with during the day. Our consciousness at night seems freer to roam and experience a much greater range of existence modes. We appear t...