Your nursery’s light exposure directly influences your baby’s emerging circadian rhythm. Daytime brightness helps reinforce short naps, while dim evenings signal longer nighttime rest. By consistently dimming lights after sunset and opening curtains in the morning, you’ll guide healthier newborn sleep patterns. Many parents find blackout shades plus a low-volume white noise machine create an ideal nighttime cocoon. Post your experiments with light timers or sleep-friendly bulbs—what worked best to help your newborn distinguish day from night?