Light therapy is not considered a cure for sleep disorders, depression, or other conditions. Light therapy is not considered a cure for sleep disorders, depression, or other conditions. Light therapy can help alleviate sleep disorders associated with sleep disorders, circadian rhythm sleep disorders, jet lag, seasonal affective disorders, and depression. It can take a few days to a few weeks. Trusted Source Eliserver Eliserver is a publishing house that aims to help researchers and healthcare professionals advance science and improve health outcomes for the benefit of society.
Your body has an internal clock that tells it when it is time to sleep and when it is time to be awake.
Does phototherapy affect sleep?
Bright light during daytime sleep influences nocturnal melatonin secretion after simulated night work. Used regularly and as recommended by a doctor, exposure to this light helps restore your circadian rhythm, the technical term for your body clock. As a result, people undergoing light therapy are better able to fall asleep earlier in the night or sleep in later in the morning, depending on what they need. Sensitivity analyses were carried out by excluding individual studies to examine whether significance and pooled effect size were affected.
If you have a condition that affects your eyes, such as cataracts, or if your eyes are sensitive due to medications or medical issues, light therapy probably isn’t right for you.