An tech startup wants you to trade in regular dreams for a headband that lets you control your nighttime wanderings in a lucid dreamlike state.Prophetic is releasing the $2,000 Halo AI headband in 2025, which will give wearers unparalleled control over their dreams that could help users grapple with existing problems they're facing in their waking lives.The headband uses electroencephalography (EEG), which records electrical activity in the brain, and functional magnetic resonance imaging (fMRI) which measures brain activity by measuring the blood flow.
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