Figure 2
From: Energy metabolism and thermoregulation during sleep in young and old females
Time course of energy metabolism and average metabolism during sleep. The time course shows the energy expenditure from 1 h before lights-out to light-on (left panel) and the average value during sleep (right panel) (A), RQ (B), carbohydrate oxidation (C), and fat oxidation (D). The time course is shown as means ± SE. The black solid line and white dashed lines represent the median and the 25th and 75th percentiles, respectively. * represents a difference between time points (p < 0.05). † represents a difference between young and old (p < 0.05).
