Fatemeh Fazlali

This study examines how sex and seasonality affect melatonin suppression and alertness to light, finding sex differences and seasonal variations in light sensitivity.

This study finds that afternoon-early evening bright light exposure in adolescents reduces later evening melatonin production without affecting sleepiness or vigilance.

This study tests if cone photoreceptors affect melatonin suppression and alertness to light at night, finding no significant effect.