Lighting effects on radiographers in hospitals

This study tests whether changing the light in a hospital room can improve sleep and help your body clock work better in older adults. It may be most helpful if sleep problems or irregular daily rhythms are affecting you in the hospital.

This study looks at how sleep, light, and your body's internal clock affect brain health. It involves staying in a controlled setting to measure these effects, which may help understand how to improve sleep and well-being.

This study uses a light-based test (the “photomotor reflex”) to see how non-visual effects of light may affect sleep-wake timing, brain function, mental health, and eyesight. You may be assigned to a group based on your condition, or you may be in the healthy control group.

This study tests whether different light brightness levels in the hospital room can help new mothers feel better emotionally and more motivated to breastfeed. It's a simple, non-invasive approach that might improve your overall well-being after childbirth.

This trial studies whether timed light exposure can help people who have trouble falling asleep. It aims to improve insomnia symptoms by testing a light-based approach while carefully measuring sleep patterns.

This study looks at how light affects sleep quality in older adults with mild memory or thinking problems. It may help find ways to improve sleep and possibly slow memory decline.