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. 2022 Apr 1;10(4):e28811. doi: 10.2196/28811

Table 1.

Descriptive statistics for season-based stratified groups for sleep parameters (sleep time, wake-up time, and sleep duration) and time spent at home.a

Season Value, N Value, mean (SD; SE; 99% CI)
Sleep time

Spring 461 22:32 (98.5; 4.59; 22:20-22:44)

Summer 455 22:32 (108.37; 5.08; 22:19-22:45)

Fall 461 22:25 (89.12; 4.15; 22:14-22:36)

Winter 466 22:35 (107.11; 4.96; 22:22-22:48)
Wake-up time

Spring 461 6:22 (93.05; 4.33; 6:11-6:33)

Summer 455 6:31 (84.75; 3.97; 6:21-6:41)

Fall 461 6:26 (88.36; 4.12; 6:15-6:37)

Winter 466 6:26 (102.75; 4.76; 6:14-6:39)
Sleep duration

Spring 461 466.54 (106.23; 4.95; 453.79-479.28)

Summer 455 472.54 (109.59; 5.14; 459.31-485.77)

Fall 461 477.83 (106.2; 4.95; 465.09-490.57)

Winter 466 465.05 (110.65; 5.13; 451.84-478.25)
Time spent home

Spring 461 523.13 (227.56; 10.6; 495.83-550.43)

Summer 455 486.58 (237.4; 11.13; 457.91-515.25)

Fall 461 529.39 (226.42; 10.55; 502.22-556.55)

Winter 466 546.43 (235.53; 10.91; 518.32-574.53)

aThe mean of sleep time and wake-up time, along with their CIs, is presented using a standard hh:mm format. The SD of all 4 indicators, as well as the sleep duration and time spent at home, is presented as the total number of minutes.