Have you ever noticed how a gray, rainy day makes you feel gloomy and tired, but a sunny day can leave you feeling cheerful and energized?
I realized that I have some emotional imbalanced disorder. I always feel sad whenever I watched a sunset.
Some of you may have also noticed that you find a seasonal fluctuation in your moods, feeling depressed only the day is about to end.
Well, there's a scientific reason for this. Insufficient exposure to sunlight has been associated with low levels of melatonin and serotonin, carbohydrate craving, weight gain, and sleep disturbance.