Figure 6

Visually-sored sleep variables in (A) the 4-h nighttime sleep episode (03:00–07:00); (B) the final 10 min before scheduled awakening (06:50–07:00); and (C) the 1-h nap sleep opportunity (08:00–09:00) are shown. SOL, sleep onset latency; N1-3, non-rapid-eye-movement sleep stages N1-3; REM, rapid-eye movement sleep; *p < 0.05; **p < 0.01 (Benjamini–Hochberg corrected).