Thomas Budzynski: Tuning In On The Twilight Zone FOR A BRIEF TIME as we lie in bed at night, neither fully awake nor yet asleep, we pass through a twilight mental zone that Arthur Koestler has described as a state of reverie. Many people associate this drowsy stage with hallucinatory images, more fleeting and disjointed than dreams, and compare it to the viewing of a speeded-up, jerky series of photographic slides. A host of artists and scientists have credited the...