When Sunlight Is Limited, How Can You Supplement Light Indoors?

The sun in Chengdu has"taken another leave"once again.

Recently, a Chengdu office worker who described himself as"driven to the brink by endless cloudy days"submitted a proposal on the Sichuan Public Feedback Platform. He pointed out that due to geographical conditions, Chengdu has long experienced insufficient sunlight, which affects residents’ physical and mental health, and therefore suggested the introduction of a"sun holiday."

Although the proposal carried a lighthearted tone, it immediately resonated with countless people in Chengdu.

In Chengdu, people often refer to themselves as “sunflowers.” This is not self-mockery, but a genuine expression of longing for sunlight. In autumn and winter, sunshine is especially precious to Chengdu residents. What it brings is not only a warmth that soothes the senses, but also the vitality and sense of happiness instantly awakened by a touch of golden light after prolonged periods of cloudy and rainy weather.

The Reality of “Sunlight Scarcity” in Chengdu

According to a ranking of annual sunshine duration in provincial-level capital cities released by China Weather Network in September, the average annual sunshine hours in Chengdu during the 30-year period from 1991 to 2020 were below 1,000 hours, placing it at the bottom of the list. This data also confirms what has been noted in many studies: the Sichuan Basin is a nationwide “low-value center” for sunshine duration. Frequent cloudy and rainy weather has made sunlight a “scarce resource” here.

When Sunlight Is Absent, the Impact Goes Far Beyond Mood

Light exposure is a key factor in regulating the human biological clock, cellular vitality, and the secretion of hormones such as serotonin and melatonin. Prolonged periods of cloudy weather can easily cause the body to slip into a “low-battery mode.” As a result, you may notice:

• Feeling especially drowsy in the afternoon

• A general lack of energy

• Restless or poor-quality sleep

• A persistent sense of being “one step slower”

This is not oversensitivity—your body is truly “lacking light.”

Since Sunbathing Depends on the Weather, Keep a “Little Sun”for Yourself

Although we cannot control when the sun decides to appear, we can take charge of the “sunlight” in our daily lives.

The LifeGlo Vitality Lamp is designed specifically for days with insufficient light:

• It simulates the natural solar spectrum

• It retains the near-infrared “golden band” that is beneficial to the human body

• It avoids ultraviolet radiation and harmful blue light, making daily use more reassuring

On days without sunlight, it can assist in regulating circadian rhythms, improving mood, and easing fatigue. Unlike ordinary lighting, this is not merely about “brightness,” but about allowing the body to receive familiar “sunlight signals.”

Bringing Sunlight into Everyday Life

On your desk, by your bedside, or in an office corner, let the LifeGlo Vitality Lamp provide gentle, warm companionship and help you gradually rediscover long-lost vitality and energy. Even when the sun “takes a day off,” you can still enjoy a spontaneous and comfortable “sun bath.”

The “sun holiday” may still be a thing of the future, but your own “little sun” can be switched on at any time—truly satisfying.