Global Betterment Trends Mar 12, 2018 education global health & wellness mindfulness school ... hours at night. With all this activity, South Koreans are enjoying taking more downtime and combatting their insomnia. Sleep cafes have recently risen in popularity as Koreans take time out of their day for an hour of rest in a hammock; simply purchasing a cup of coffee earns people a ticket for post-nap energy. Convenience stores have also seen an increase in sleep-aid food and beverages as those who have time to rest at night rely on something to help lull them to sleep faster. - JAPAN - NAP TIME ...