As daylight fades, many experience fatigue or low mood-but for millions, these symptoms signal seasonal affective disorder (SAD), a serious form of depression. Reduced sunlight disrupts serotonin, melatonin, and the bodys circadian rhythm, leading to feelings of hopelessness, loss of interest, and sleep or appetite changes.
As daylight fades, many experience fatigue or low mood-but for millions, these symptoms signal seasonal affective disorder (SAD), a serious form of depression. Reduced sunlight disrupts serotonin, melatonin, and the bodys circadian rhythm, leading to feelings of hopelessness, loss of interest, and sleep or appetite changes.
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