There are many things you can do to get a better sleep, more restful and restorative, every night. There’s avoiding sugar-rich food and caffeine, giving yourself a relaxing massage and practicing a bedtime routine. Sleep experts also suggest assessing the current state of your mattress and replacing it with a new one if it has become too uncomfortable for you. Here’s another activity you can do to help you drift off to sleep faster: making a to-do list. Now, it may sound like you’re gearing yourself for an anxiety attack, but recent studies have found that writing down what you need to do in the next few days can actually help…