Getting consistent, regular sleep has wide-ranging effects on our health," said co-author Susan Redline, the Peter C. Farrell Professor of Sleep Medicine at Harvard Medical School.
Future studies examining bright light therapy should not overlook the role sleep regularity may be playing in influencing mood and depression symptoms.
We found that greater time spent in bright light was modestly associated with lower depression symptoms and that sleep regularity partly explained this association," said Danielle A. Wallace.
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