“We spend the last few weeks of December rushing to meet deadlines, socialising more than usual and over-exerting ourselves as we hunt for the perfect gifts, and at the same time, we tend to reduce the time we spend meeting our own needs or caring for our health, which can result in a bit of lethargy at best, and a sense of feeling completely rundown at worst.
Article source: https://www.huffingtonpost.co.uk/entry/christmas-comedown-wellbeing-advice_uk_63a2edaee4b0f4895ae0b461