Incredibly Ingenious: Japanese Inventions You Can't Find Elsewhere

14. Sleeping capsules for trains

What it is: a condensed, pod-style sleeping space Average Cost: $30 to $50 per night* Railway Sleeping Capsules are a development of the capsule hotel idea, designed with railroad users' convenience in mind. These sleeping capsules, which have their origins in Japan, are especially well-liked by tourists, business travelers, and even locals who miss the last train back home.

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Pinterest/@boingboing These capsules, which are located either inside the train station or nearby, provide minimal facilities. A standard sleeping capsule has a bed, lighting, ventilation, and occasionally a small TV or radio. It is just large enough for a person to sleep in. There are also shared amenities, including showers, lockers, and restrooms. Railway Sleeping Capsules' clever positioning makes it easy for passengers to board early morning trains or take a nap during lengthy transit periods without having to venture too far from the station.