I am always amazed by how small changes in people's environment make big changes in behavior.
- Nine months after a blackout in the Netherlands, there was a miniature baby boom. People went to bed early to keep warm, which resulted in a 44% increase in babies.
- A Swedish study showed a 5% decrease in heart attacks the week after daylight savings because people get an extra hour of sleep. That means less stress and fewer blood clots.
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