Country or region N Bed time Wakeup time Night time sleep
Australia/New Zealand 286 7.83 ± 0.78 6.95 ± 0.71 10.73 ± 0.87
Canada 272 8.38 ± 0.93 7.28 ± 0.82 10.45 ± 0.96
China 248 9.65 ± 0.81 7.36 ± 0.90 9.47 ± 0.99
Hong Kong 82 10.18 ± 0.71 7.87 ± 0.99 9.41 ± 1.11
India 294 10.44 ± 1.02 7.67 ± 1.03 8.96 ± 1.10
Japan 148 9.08 ± 0.83 7.32 ± 0.76 10.04 ± 0.90
South Korea 312 9.91 ± 1.05 7.98 ± 0.94 9.69 ± 1.02
Malaysia 121 10.17 ± 1.18 7.63 ± 1.05 9.11 ± 1.23
Philippines 76 9.99 ± 1.26 7.91 ± 1.53 9.57 ± 1.22
Singapore 81 9.77 ± 1.01 7.59 ± 0.83 9.25 ± 1.15
Thailand 88 8.97 ± 0.96 6.88 ± 0.79 9.35 ± 1.08
United Kingdom 298 7.71 ± 0.64 7.02 ± 0.65 10.88 ± 0.96
United States 284 8.63 ± 1.01 7.28 ± 1.00 10.16 ± 1.09
Total 2590 9.10 ± 1.33 7.40 ± 0.96 9.93 ± 1.22