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 people suffering 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.