December has to be one of the most tricky times of year for good sleep. We’re drinking more than usual, going out-out on school nights and balancing the temptation to sleep in at the weekends with fitting in Christmas shopping. Not enough of us get a sufficient amount of deep sleep at any time, but as we hurtle towards a new year, now’s the time to implement little tweaks that might make a big difference. With that in mind, we’ve been chatting to doctors, nutritionists, yogis and other wellness experts on the pre-bed routines they swear by for a restful night.