We've all been there, tossing and turning in the middle of the night, when the odd sleepless night becomes a habit. Here are some useful gift ideas to help change poor sleep patterns, whether it's a pillowcase you rest your head on or listening to an author reading his book. These tools will make those lonely hours that bit more bearable and chances are, once you've prepped a hot drink for a few nights running, you'll stop waking up. Well, it's worth a try anyway.