> nor should people try it without a clinician's guidance.

Sleep deprivation increases some people's risk of suicide.

> She was hesitant—but then again, she was already sleeping poorly, so what did she have to lose?

It may have made her suicidal, and she could have lost her life.

It's great that he's doing some research (because there doesn't appear to be much around at the moment) but it's a bit worrying that he's writing this article as if this treatment works before the research is in. Especially because mainstream media is going to report this as if bright light therapy and sleep deprivation definitely works as a treatment for depression.