Fig. 3
From: No seasonal variation in physical activity of Han Chinese living in Beijing
Profile of 24-h total physical activity of each month. a is the heatmap of physical activity profile where darker blue indicates the higher PA level while the lighter yellow represents the lower level. The most active times of a day were around 9:00, 12:00–13:00, 18:00–19:00, either the time after meals or commuting between work and home. b represents the level of physical activity level across the 24 h in a day. There is no significant difference of the average physical activity across the months