Light is the strongest synchronising agent (zeitgeber) for the human circadian system. The sun is a powerful natural light source for our biological rhythms, which follows a roughly 24-hour cycle. Morning sunlight signals to our body to wake up and be alert, while the fading light in the evening cues the production of melatonin, preparing us for rest. Exposure to natural light keeps our internal clocks in sync, affecting everything from sleep to digestion, mood, and energy levels. Are you drawn to aligning your daily routines with the sun’s natural rise and fall to optimise your health, productivity, and vitality?

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