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NT1 shows an increased number of sleep and wake bouts. Each bar represents the average number of bouts across the first 8 hours of the nocturnal PSG for each state of wake and sleep. NT1 participants have more wake and NREM 1 bouts compared to all other groups. NT1 participants also had more NREM 2 bouts compared to subjectively sleepy controls (SSC) and NT2 participants and more REM sleep bouts compared to SSC and IH participants.
