A recent article emphasizes the crucial role of light in regulating our sleep-wake cycle, recommending warm hues like red, orange, and yellow in the hours leading up to bedtime. These colors help prepare the body for rest, while cooler tones, such as blue light from screens, can disrupt sleep by inhibiting melatonin production. The piece explores how different light colors affect circadian rhythms, with experts advocating for the use of warm light at night to promote better sleep quality. Additionally, it discusses light therapy as a potential treatment for various sleep disorders. Overall, creating a suitable sleep environment by managing light exposure is key to enhancing sleep health.