Have you ever noticed that your mood changes with the weather? There's a scientific reason for this. The amount of sunlight you get can affect your brain. Sunlight helps the brain produce a chemical called serotonin, which makes you feel happy and calm. On dark or rainy days, your body makes less serotonin, so you might feel tired, sad, or less energetic.

The weather also affects our circadian rhythms, the internal body clock that controls sleep patterns. Less daylight can disrupt these rhythms, leading to poor sleep and mental health. In addition, sunlight helps the body produce vitamin D, which is essential for brain health. When there is little sunlight, like in winter, people may not get enough of this vitamin, and this can worsen symptoms of depression. On dark days, your body produces more melatonin, a hormone that promotes sleep. Higher melatonin levels can make you feel drowsy and less motivated, reducing your desire to be active or social.

Some people are especially affected by seasonal changes. Seasonal Affective Disorder (SAD) is a type of depression that occurs during particular times of the year, usually in winter. Symptoms include low mood, exhaustion, sleep problems, and loss of appetite. On the other hand, very hot weather can also have a negative effect, increasing stress and triggering manic episodes in people with certain mental health conditions.

To manage these effects, experts recommend regular physical activity, even during bad weather. Outdoor time and movement can help boost energy and improve your mood. Being aware of how weather affects mental health can help you take positive steps to feel better throughout the year.

(Adapted from The Independent)