For individuals with dementia, the brain often struggles to process environmental cues. One of the most powerful – yet frequently overlooked – cues is light. Unlike standard overhead bulbs, circadian lighting mimics the natural changes of sunlight throughout the day. It supports the body’s internal rhythm and can reduce many common dementia-related challenges.
Bright, blue-toned light in the morning helps activate the brain and promote alertness. In the evening, warmer tones help signal the brain that it’s time to relax and prepare for sleep. Without these cues, people with dementia may feel out of sync – sleeping during the day, staying up at night, or becoming more agitated.
Some senior communities have already adopted circadian lighting systems to help restore balance in residents’ lives. But these strategies can be used at home too – by opening curtains in the morning, spending time outside, and dimming the lights at night.
Light is not just something we see – it’s something we feel. And with the right approach, it can become part of a daily care plan that promotes calm, consistency, and connection
Facts of the Week:
- Lighting that mimics the natural day–night cycle improves sleep and alertness in older adults.
- Evening light that is too bright can disrupt sleep and increase nighttime restlessness in dementia care.
