World Sleep Day, which is annual celebration of sleep, falls every year in March on the Friday before the spring equinox. The day has been organised by the World Sleep Day Committee of World Sleep Society and is meant to raise awareness about sleep-related problems.
When you feel like you haven't had a good night's sleep, a solid nap can be one of the best ways to restore energy levels during the day. However, it's important to get the technique of napping just right - if you do it wrong, you might actually end up feeling groggy and disrupt your sleep at night.
Sleep expert, Kiera Pritchard of Eachnight.com, reveals her top tips for the perfect nap.