Table 1: Quantitative data.
TST: Total Sleep Time; SE: Sleep Efficiency; B: Blind subjects; C: Control subjects.

SECOND NIGHT THIRD NIGHT
TST


N1


N2


N3


REM


SE
B 303.57 89
C 374 72

B 35.33 (11.55%)
C 18.70 (5%)

B 198.66 (65%)
C 201.97 (54%)

B 2.50 (0.82%)
C 67.32 (18%)

B 67.08 (22.11%)
C 86.02 (23%)

B 73%
C 89%
287.01 92
382 76

32.33 (11.14%)
11.46 (3.02%)

174.00 (60.62%)
198.64 (52.20%)

10.50 (3.66%)
80.22 (21.32%)

70.18 (24.39%)
91.68 (24.08%)

68%
91%