Melatonin response to bright light in recovered, drug-free, bipolar patients.


Melatonin suppression by bright light was investigated in 15 drug-free euthymic bipolar patients and control subjects matched for age and sex with the patients. There were no differences between groups on the extent of melatonin suppression by 500 lux bright light administered between 0200h and 0400h. These results do not support the hypothesis that… (More)


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