Light Therapy: Solution to Depression and Sleep Problems

Depression and sleep problems

Nowadays, depression and sleep problems are becoming common. These issues are troubling people a lot. Poor sleep, constant fatigue, irritability and sadness have a negative impact not only on mental health, but also on physical health.

What is light therapy?

Light therapy is a modern treatment in which a person is exposed to a special type of artificial light, called bright light, for a controlled period of time. Typically, this procedure uses a special light therapy box, which mimics natural daylight.

According to the US National Institute of Mental Health, this therapy has been found to be particularly beneficial for seasonal affective disorder, which is depression related to seasonal changes.

Its main purpose is to affect the body’s biological clock, or circadian rhythm, which controls our sleep-wake cycles, hormone production, and energy levels.

Effect of light therapy

Our body feels the effects of light quickly. Morning sunlight signals our brain that it is time to wake up and get to work. Due to this, hormones like melatonin and serotonin function properly.

According to Harvard Medical School, spending some time in the morning in natural light balances the biological clock and improves sleep timing. Melatonin helps in getting good sleep, while serotonin keeps the mind happy and calm. If the body doesn’t get enough light, these hormones can become imbalanced, which can negatively impact sleep and mental health.

Relief in sleep disorders and Alzheimer’s

One study found that light therapy showed positive effects in reducing symptoms of depression, especially in patients who were affected by insomnia, sleep disorders, and Alzheimer’s. Another meta-analysis also found that light therapy can improve sleep quality and reduce the time it takes to fall asleep in some people.

Precautions during light therapy

The benefits of this therapy will be available only if it is used properly. According to the Mayo Clinic, certified light therapy devices must be used properly for safe use. If you already have any mental or eye related problem, it is necessary to consult a doctor.