You should sleep at least 8 hours and 30 minutesjpg

(1)As of 2016, the daily sleep time in major countries
(2)On average, 8 hours and 22 minutes
(3)8 hours and 45 minutes
(4)8 hours and 36 minutes
(5)8 hours and 30 minutes
(6)8 hours and 29 minutes
(7)8 hours and 17 minutes
(8)8 hours and 14 minutes
(9)7 hours and 41 minutes
(10)Data Organization for Economic Cooperation and Development OECD