Light therapy, a.k.a. bright light therapy, is a non-invasive treatment using light wavelengths to help regulate your circadian rhythm. It’s based on the concept that exposure to bright, cool light may reset your body clock. And it may improve your sleep and well-being.
If you’re working the night shift, light therapy can help you adjust to your work schedule. Soak up bright, cool light while you’re on the clock to keep you awake and boost your focus. Plus, it’ll help you nod off faster and catch some solid zzzs during the day.
It’s also useful when it’s time to shift schedules. According to Sleep Foundation, bright light therapy in the mornings helps adjust your body clock. You’ll wake up and sleep earlier. Meanwhile, therapy in the evening results in a later schedule. This makes it easier to adapt to an approaching night shift(1).
It’s important to note that not all light therapy lamps or light boxes are created equal. It should emit an intensity of about 10,000 lux. And filter out harmful UV rays. The duration and timing of light exposure are also important, as these may influence the effectiveness.
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