Goodnight Light: a book that helps children not to be afraid of the dark

Children’s picture book “Good Night Light”, featuring a big green monster hugging a little girl against a light green background
Goodnight Light: Plenitude’s book on becoming friends with the dark

MILAN - Energy can be saved by starting with small daily habits, even at bedtime. With ‘Goodnight Light’, Plenitude is launching a project designed to help children overcome their fear of the dark by turning it into an ally, not an enemy. Through a special book that glows only in the dark, the initiative combines education, sustainability and imagination. A creative way to engage families and the younger generation in the value of energy efficiency.

Three out of four children are afraid of the dark when they go to sleep or wake up in the night

Goodnight Light: Plenitude’s book to help children make friends with the dark. On Thursday 12 March 2026, Plenitude presents Goodnight Light, a new communication project aimed at encouraging energy saving by helping children overcome their fear of the dark. This initiative is consistent with its mission as a Benefit Corporation, which focuses on the common good for both the environment and people, whilst also engaging the younger generation. Fear of the dark is a common feeling, especially among young children. When it’s time to fall asleep in their own bed, perhaps alone, everything seems quieter, their attention span wanes, and the world around them—so well-ordered during the day—becomes more mysterious, sparking their imagination and filling the room with shadows and shapes. This is confirmed by a Doxa survey (November 2025) conducted in collaboration with Plenitude in Italy, Spain and France in support of this international project: three out of four children aged between 3 and 9, especially when they go to sleep or wake up at night, are afraid of the dark. Families therefore find themselves living with this fear on a daily basis and try to help their children cope with it, seeking to reassure them and find solutions that help them feel at ease even at night. Among the most common strategies, the majority of parents prefer, for example, to leave a light on in their child’s bedroom to reassure them and help them fall asleep peacefully. This is a very common practice, but it is not very energy-efficient and tends to fuel children’s insecurity rather than helping them overcome their fear.

Giving a visible and understandable form to a state of mind

‘Children need to define in concrete terms what frightens them, so that they can control it. That is why it is effective to transform the dark – an abstract, pervasive and enveloping entity – into a character,’ said Elena Urso, an educational expert. “Giving a visible and understandable form to a state of mind or something abstract like the fear of the dark allows children to feel that they can recognise it, understand it and therefore face it calmly, for example through a familiar bedtime ritual, to help them drift off to sleep.”

In this sense, reading a story is a good habit, because it instils a sense of calm in children and allows them to process their worries.

Elisa Binda and Mattia Perego are a pair of children’s book authors

Darkness can therefore be a good friend, even when it comes to reducing energy consumption: a bedtime ritual, such as reading a story by soft lighting, can create a reassuring and familiar environment and atmosphere. This is the concept behind the book Goodnight Light, which will be available free of charge to the public on 20 and 21 March 2026 at participating Plenitude flagship stores. Produced in collaboration with TBWA\Italia and authors Elisa Binda and Mattia Perego (Elisa Binda and Mattia Perego are a couple of children’s book authors who have published with some of Italy’s leading publishing houses. They have been working in the world of communication for over fifteen years and, since 2019, have been focusing on storytelling for young children, exploring social and current affairs topics) and the illustrator Hello Saris (Hello Saris is an illustrator who works across publishing and visual communication. She has worked on books and projects related to early childhood, developing visual worlds for young children, and has collaborated with creative agencies both nationally and internationally), the book has been printed with a special ink that only appears in the dark and recharges in daylight. Its pages, which appear white in the light, light up in the dark and fill with words to tell the story of Lucilla and Ombro, her special friend, who, with a charming nursery rhyme, explains to her that the dark is not something to be feared, but a valuable ally in saving energy.

Creative and playful language that brings together young and old

‘Goodnight Light enriches a moment of family intimacy and comfort for the child with a valuable educational message about energy efficiency. “Thanks to a creative and playful approach that brings together young and old alike, the project opens up a dialogue on the themes and values that have always guided Plenitude’s culture and positioning,” said Giorgia Molajoni, Chief Technology and Communication Officer at Plenitude. Information on the initiative. Plenitude, a subsidiary of Eni, operates in over 15 countries worldwide with a business model that integrates the generation of 5.8 GW of electricity from renewable sources, the sale of energy and energy solutions to 10 million customers, and an extensive network of approximately 23,000 charging points for electric vehicles. By 2028, the company aims to reach 10 GW of renewable capacity globally.

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