Is seven hours of sleep enough?

You’ve surely heard the saying. ‘You spend up to one-third of your life asleep’. Now resist the temptation to say ‘think how many more episodes of that TV series I could cram in’, let’s instead think about what sleep actually does for us. No matter your age or circumstances, sleep fulfils many important physical and psychological functions. These include... (read the full article here).

Sleep Cycle, with millions of users worldwide, has built up what is likely to be the world’s richest repository with data reflecting global sleep habits. They have many interesting articles about sleep that are worth checking out on their website.