Science has today proved that several mental disorders are directly related to various elements in nature. It is believed that depression increases when there is less sunlight. Ancient Hindu teachers understood the relationship between mind and various elements in nature. The most important among it is the Gayatri Mantra which is a prayer dedicated to Surya.
Gayatri Mantra is dedicated to Surya, Pratyksha Brahman. In it our ancient seers asks Surya to make our intellect and mind sharper and effective.
Modern science today talks about seasonal affective disorder, winter blues, summer depression etc. All these studies started just fifty years ago.
Our ancient seers had realized these entire phenomenons more than 6000 years ago.
Early morning prayer dedicated to Surya is not a mere ritual. It contains several benefits including sharpening of mind and intellect.