From: Effect of simulated dawn on quality of sleep – a community-based trial
STUDY PERIOD (PERIODS WITH DAWN SIMULATION MARKED) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
I | II | III | IV | |||||||||
FIRST | LAST | AVERAGE | FIRST | LAST | AVERAGE | FIRST | LAST | AVERAGE | FIRST | LAST | AVERAGE | |
GROUP 1 (N = 23) † | 4.4 (4.4) | 3.4 (5.0) | 3.8 (2.9) | 3.0 (5.0) | 2.4 (4.1) | 3.2 (2.0) | 2.3 (3.3) | 3.3 (5.3) | 2.9 (2.0) | 3.4 (3.5) | 4.8 (5.1) | 4.2 (3.3) |
GROUP 2 (N = 23) † | 4.7 (3.6) | 2.7 (3.1) | 3.7 (1.8) | 2.5 (3.9) | 2.1 (2.3) | 3.0 (1.7) | 3.2 (3.1) | 1.7 (3.4) | 2.7 (1.4) | 5.7 (3.7) | 1.1 (1.8) | 2.9 (1.0) |
GROUP 3 (N = 20) ‡ | 5.7 (4.8) | 4.8 (5.2) | 3.9 (2.8) | 2.6 (4.2) | 3.2 (4.8) | 2.8 (1.8) | 3.4 (3.8) | 2.6 (4.2) | 2.4 (1.6) | 4.7 (4.4) | 2.4 (4.5) | 2.7 (2.1) |
GROUP 4 (N = 25) ‡ | 5.4 (4.4) | 5.0 (4.5) | 5.0 (3.4) | 2.0 (3.2) | 3.8 (4.4) | 3.0 (1.8) | 4.0 (4.0) | 2.6 (3.6) | 3.5 (1.9) | 3.5 (3.7) | 1.9 (4.6) | 2.8 (1.4) |