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Sleep macrostructure and SWA power of the SR group. Black bars indicate mean ± SEM of sleep variables in the first 5 h of sleep for all nights, while gray bars indicate mean ± SEM in the remainder of full sleep (9 h for B3, R1, and R3). Black asterisks indicate significant differences from B3 considering only the first 5 h of sleep in all nights while gray asterisks indicate differences from B3 considering the full sleep opportunity. (*P < 0.05, **P < 0.01, ***P < 0.001).
