India, Dec. 12 -- Ever wondered why your energy level is lower than usual during winter? It is not just the cosy warmth of your blanket making it harder to get up; your brain itself undergoes certain changes during this season, which explains why you feel very sluggish and overall very drained. So to get a better understanding of this shift, why it happens and how you can get ahead of this seasonal slump, HT Lifestyle spoke to Dr Kunal Bahrani, chairman and group director - neurology at Yatharth Hospitals.

He confirmed that there are several different ways this sluggishness shows up in your behaviour and general, everyday functioning. "It quietly alters the brain's chemistry, pushing many people into a cycle of sluggishness, low mood, fo...