18/02/2026
We dim lights for ambience.
We forget to dim them for biology.
In the evening, many care homes soften lighting to make spaces feel warmer and more relaxed. The intention is right. But ambience doesn’t always equal biological calm.
The brain responds not just to how bright a room is, but to the colour of the light within it. Cool tones, even when dimmed, can keep the brain in an alert state. Warm, low-intensity light is what signals the body to begin winding down.
When those signals are mixed, settling becomes harder. Residents may feel restless after tea, evenings can stretch on, and sleep arrives later than it should. In dementia care, where environmental cues matter even more, these unintended consequences are felt more strongly.
Circadian lighting brings intention back into evening environments. By gradually shifting colour temperature and light levels, the room starts telling the body it’s safe to slow down.
Good lighting isn’t just about how a space looks.
It’s about how it helps people feel.
If you’re curious about how evening lighting can better support rest and regulation in your home, we’re always happy to talk through what that looks like in practice.
Book a Demo 👉 https://meetings-eu1.hubspot.com/meetings/nadia-morris/spark-care-lys-circadian-lighting-discovery-call?uuid=cb23ce1e-4f21-4f7b-b485-4851e1b52d07