Dawn and dusk are important times in a day as per the Hindu tradition. It is said that during those moments when the day and night meet each other, the gods enter the houses to bless the inmates.
Therefore, it is said we must always try to keep ourselves ready and prepared to receive their blessings during those times rather than sleeping and avoiding them.
During the evenings following the sunset, people switch on the lights in and around the house. In several houses, it is a regular daily practice to light lamps around this time in the puja altar as well as ion the either sides of the main entrance.
It is believed that this act will help ward of the evil forces outside the house and also provide a welcome signal to the gods who are passing by.
During the evenings, it is said that Durga, Lakshmi and Saraswati enter the houses and bless the people. Therefore, it is said that during that time, the students must commit themselves to study and the elders must spend the time in worship or listening to devotional songs and mantras.
Such acts performed during that time is said to invoke the blessings of the goddesses as they are pleased and moved to give more than what they would actually give otherwise.
That’s why our parents in our childhood don’t let us sleep when the sun goes down and comes up. The bad effects of sleeping at sunrise and sunset also confirmed by the modern scientific and research analysis.
Moreover, as per science, morning and evening sunlight boosts level of serotonin(happiness hormone) due to which we feel happy and energetic and can fight with depression if we adopt regular exercise.
Sleeping in the evening is said to affect the digestion too. Therefore, if we are health conscious, then it is better to avoid sleeping during that time and spend the time purposefully in other useful acts instead.
Many studies have linked vitamin D deficiency with cognitive impairment as levels of vitamin D goes down, cognitive impairment goes up.Getting diabetic is also possible because of lack of vitamin D.
We should not sleep during evening, because that will disturb our night time sleep and ultimately will disturb our whole day cycle, which will get reflect our health.
Weight gain is very common problem related to the sleeping in evening and morning because body slows down the metabolism and what we eat finally stored in form of fat and we feel less energetic full day.