case_images: PMC10149836_01
case_images: Digitalized patient's sleep diary from 28th July to 26th August depicting the time slept in black and the time awake in white. The blue highlighted block represents the time from sunrise to sunset.
case_images: fneur-14-1141835-g0001.jpg
case_images: PMC10149836_01_fneur-14-1141835-g0001.jpg
case_images: F1
case_images: She described an aggravation of her symptoms starting a few weeks after the first lockdown due to the COVID-19 pandemic and presented a graph (see Figure 1) displaying her sleep-wake habits. As can be seen in Figure 1, the sleep-wake rhythm, with a tau of approximately 25 h, independent of external stimuli, fits the diagnostic criteria of a non-24 h sleep-wake disorder (N24SWD).
case_images: Timeline of the digitalized patient-reported sleep diary until normalization of the sleep-wake rhythm. The blue highlighted block represents regular working hours in two shifts.
case_images: fneur-14-1141835-g0002.jpg
case_images: PMC10149836_01_fneur-14-1141835-g0002.jpg
case_images: F2
case_images: Figure 2 displays a graphical summary of this.