https://bbcbreakingnews.com/health/ultimate-world-sleep-rankings-finns-top-charts-at-8-hours-every-night-70-minutes-more-than-the-japanese-so-how-does-britain-and-the-us-fare/
Ultimate world sleep rankings: Finns top charts at 8 hours every night - 70 minutes MORE than the Japanese (so how does Britain and the US fare?)