With blue light sleep therapy, people expose themselves to a particular frequency of blue lighting for a sustained period of time upon waking or before going to sleep. It's the lighting improves sleep in people whose circadian rhythm has been altered or who have difficulty experiencing restful sleep.
Research
NeuroPsychiatryReviews.com reports that while research is in its infancy, researchers think the therapy can indeed improve certain sleep disorders and help shift workers stay more alert.
Jet Lag
It's believed that the therapy can help from jet lag reset their body clocks that have been disturbed due to time changes.
Seasonal Affective Disorder
NeuroPsychiatryReviews.com also notes that a blue light therapy study done with people suffering from seasonal affective disorder (SAD) found that those exposed to a blue light for a monitored time period showed a bigger reduction in symptoms than subjects exposed to a red light.
Exposure
A therapy sleep system by Verilux TwiLight recommends turning its blue light lamp on either two or three hours before sleeping, or upon waking, and leaving it on for a half hour to one hour.
Benefits
The therapy is an alternative for people who prefer a natural sleep aid instead of sleeping pills, and it doesn't generate any heat or UV waves.
Warning
People with such degenerative eye conditions as glaucoma should be checked by their doctor before using this therapy since there is a possibility that the lighting could make the condition worse.
Tags: blue light, , people suffering, people , suffering from