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Knowledge Repository

An assessment of a hybrid lighting system that employs ultraviolet-A for mitigating healthcare-associated infections in a newborn intensive care unit

Author(s): Brons, J. A., Bierman, A., White, R., Benner, K., Deng, L., Rea, M. S.

Impact of intensive care unit light and noise exposure on critically ill patients

Author(s): Simons, K. S., van den Boogaard, M., de Jager, C. P. C.

Psychiatric ward design can reduce aggressive behavior

Author(s): Ulrich, R. S., Bogren, L., Gardiner, S. K., Lundin, S.

The Importance of Specific Workplace Environment Characteristics for Maximum Health and Performance: Healthcare Workers’ Perspective

Author(s): Zadeh, R. S., Shepley, M. M., Owora, A. H., Dannenbaum, M. C., Waggener, L. T., Chung, S. S. E.

A design for a more efficient, upper room germicidal ultraviolet air disinfection luminaire

Author(s): Milonova, S., Brandston, H. M., Rudnick, S., Ngai, P., Simonson, K., Rahman, S. F., Nardell, E.

Improved system and method for illumination and ventilation of an operating room

Author(s): Jacobs, V. A., Van Gaever, R., Hanselaer, P., Vanlanduit, S., Rombauts, P., Diltoer, M.

Seasonal Differences in Light Exposure and the Associations With Health and Well-Being in Older Adults Living: An Exploratory Study

Author(s): Nioi, A., Roe, J., Gow, A., McNair, D., Aspinall, P.
Exposure to appropriate levels of bright light directly affects human circadian rhythms. The circadian rhythm plays a key role in overall human well-being. Previous research suggests that elderly patients within residential care homes are often exposed to low levels of light, which can result in circadian misalignment and irregularities in sleep/wake cycles.
Key Point Summary

Analysis of circadian stimulus allowed by daylighting in hospital rooms

Author(s): Acosta, I, Leslie, R. P., Figueiro, M. G.
Light is the major synchronizer of circadian rhythms to the 24-hour solar day. Compared to the visual system, the circadian system requires more light to be activated and is more sensitive to short-wavelength light. For those confined indoors, such as patients or residents in care facilities, the lack of access to daylight, or electric lighting providing a comparable amount, spectrum, distribution, duration, and timing, may compromise their human health and well-being.
Key Point Summary

Patient room lighting influences on sleep, appraisal and mood in hospitalized people

Author(s): Giménez, M. C., Geerdinck, L. M., Versteylen, M., Leffers, P., Meekes, G. J. B. M., Herremans, H., de Ruyter, B., Bikker, J. W., Kuijpers, P. M. J. C., Schlangen, L. J. M.
Hospitalized patients often struggle with sleeping soundly due to various factors that arise within the hospital environment, such as noise, pain, general discomfort, and irregular and inappropriate light exposure. Because sleep is such an integral part of the healing process, healthcare designers should consider different ways to improve hospital sleep conditions.
Key Point Summary

A Conceptual Framework for Integration of Evidence-Based Design with Lighting Simulation Tools

Author(s): Davoodi, A., Johansson, P., Henricson, M., Aries, M.