Why Do People Get ‘Sad’ When the Weather Changes?

People feel sad when the weather changes because their brain reacts to the light and temperature around them. When it's sunny, it feels happy, like getting a big hug from the sun. But when it rains or gets cold, people can start feeling mopey or tired, just like after a long nap.

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Examples

A child feels sleepy on a rainy afternoon and cries when it stops raining.
An old man gets grumpy every winter but cheers up once spring comes.
A student feels extra happy when the sun shines during her lunch break.

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Categories: Psychology · mood,weather,seasonal affective disorder,psychology of environment