Research shows our average focus time on one task has dropped from about 2.5 minutes in the early 2000s to around 40 seconds today.
So what would happen if you took away all the distractions? No screens. No notifications. No artificial light. No outside world.
Scientist Kiana Aran reflects on spending five days in a cave-like sensory deprivation chamber, hooked up to sensors to measure what total isolation does to the body and mind.
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