ME/CFS Science @mecfsscience.org · 07/08/20261) 🇪🇸 A Spanish study measured light exposure using the ActTrust wearable device in 100 ME/CFS patients and 56 healthy controls. Patients had lower average light exposure, reduced amplitude, and greater fragmentation of the light–dark cycle. 1174
ME/CFS Science @mecfsscience.org · 07/08/20262) The graph shows mean values for ME/CFS patients (in red) and controls (in black). The maximum and lowest values are indicated as horizontal lines, while the horizontal bar above the plots represents the nocturnal period (02:00–06:00 hours). 160