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Figure 2
Patient actigraphs. Each horizontal segment in the actigraph represents a 24 h period from noon to noon the next day. The black lines indicate physical activity, with height of the lines corresponding to the occurrence and degree of physical activity. Periods of rest are highlighted in light green and sleep in cyan. (A) Patient IV-5, 10-year-old male. (B) Patient IV-3, 18-year-old female. Actigraphs show a regular sleep pattern with a set sleep time and mostly minor variations in wake-up time.
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Full text @ Int. J. Mol. Sci.