World Sleep Day is celebrated annually to raise awareness of sleep as a human privilege that is often compromised by the habits of modern life. It is observed on Friday before Spring Vernal Equinox of each year.

World Sleep Day is an annual event organized by the World Sleep Day Committee of the World Sleep Society, formerly World Association of Sleep Medicine, since 2008.

According to World Sleep Society, the annual event intends to celebrate the sleep and create awareness about its importance, sleep related issues that affect the health of individuals.

Just like eating and exercising, maintaining a solid sleep schedule is important to keep health issues in check and lead a balanced life. In today's fast-paced world, sleep is often compromised thanks to our lifestyle, thus leading to several health problems.

Sleep disorders like insomnia can prevent the body and mind from getting the rest they need, which can lead to a number of issues.

The goal of the first World Sleep Day was to bring together sleep healthcare providers to discuss and distribute sleep information around the world.

The theme for this year's Sleep Day is 'Sleep is Essential for Health'. According to World Sleep Society, the theme aims to focus that as eating well and exercising is necessary for good health

According to the World Sleep Society, "World Sleep Day is an opportunity to promote sleep health alongside thousands of other sleep health professionals and advocates.