I came across this a while back, and it seems like it might be worth a try:
“LED lighting is improving rapidly. You can install very bright lights for treating seasonal affective disorder (SAD) easily and inexpensively. Common sense says that will be more effective than commercial SAD lights that are much less bright. My experience confirms this.”
“LED lighting is improving rapidly. You can install very bright lights for treating seasonal affective disorder (SAD) easily and inexpensively. Common sense says that will be more effective than commercial SAD lights that are much less bright. My experience confirms this.”
https://meaningness.com/sad-light-led-lux