Hyundai E&C said on the 16th that it unveiled the sleep-improvement effects of the artificial intelligence (AI)-based sleep care solution "Hey,Sleep," developed by the company, at a world-renowned sleep academic conference.

Shin Sung-wook, lead researcher at Hyundai E&C, presents research findings on the sleep environment solution HeySleep at the World Sleep Congress 2025. /Courtesy of Hyundai E&C

Hey,Sleep, which became the first in Korea to obtain the Good Sleep Mark Gold (Korea Sleep Industry Association), a certification for sleep-environment quality, is a sleep care technology co-developed by Hyundai E&C and the sleep-tech startup Asleep. It is an integrated solution that enhances sleep quality by combining AI-based sleep data analysis with automation technology to control various elements such as temperature, illumination, humidity, ventilation, and sound insulation.

To verify the actual effectiveness of the sleep-environment technology, Hyundai E&C precisely tested the functions of Hey,Sleep through a demonstration facility at its technology research institute in Mabu-dong, Yongin, and with an external professional organization. Conducted with approval from an institutional review board designated by the Ministry of Health and Welfare, this experiment is the industry's first medical verification of a residential solution. Participants in the Hey,Sleep study showed significant improvements in sleep quality indicators, including a 17.3% increase in total sleep time, an 11.81% increase in sleep efficiency, a 55.9% decrease in wake time during sleep, a 200.4% increase in deep sleep, and a 28.4% increase in REM sleep.

Hyundai E&C recently presented these research results officially at a world-renowned sleep academic conference held in Singapore. The published paper listed domestic sleep-medicine authorities as co-authors, including Jung Gi-young, professor of neurology at Seoul National University Hospital; Jung Yu-sam, professor of otolaryngology at Asan Medical Center in Seoul; and Yoon In-young, professor of psychiatry at Seoul National University Bundang Hospital.

A Hyundai E&C official said, "Sleep is a key factor that determines quality of life," adding, "We will further safeguard residents' lives and health through a scientifically verified wellness residential environment."

Hyundai E&C plans to roll out the "All Life Care House," which takes responsibility for residents' health and well-being, as it expands application of the Hey,Sleep sleep care solution to future residential complexes. In particular, it plans to apply a housing paradigm centered on sleep and health to projects such as the Apgujeong District 2 reconstruction by advancing AI–Internet of Things (IoT) convergence technology, conducting large-scale demonstrations in multifamily housing, and strengthening cooperation with domestic and overseas hospitals and academia.

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