As the nights draw in and the temperature drops, many of us find ourselves feeling a little less jolly and a bit more sluggish than usual. But for some of us these feelings can become so severe that they are classed as a form of depression known as seasonal affective disorder. This can have a significant impact on our daily habits, relationships and ability to perform at our best. In this episode, we catch up with the founder of The Sleep Scientist Dr Sophie Bostock. She tells us how exposure to daylight affects our mood, why it’s natural to want to hunker down during the colder, darker months and how going on a daily morning walk can help us all to lift our spirits. Learn more about your ad choices. Visit podcastchoices.com/adchoices