Table 1 Mean and standard deviation of chronotype and sleep variables throughout the Antarctic campaigns.
From: Chronotype delay and sleep disturbances shaped by the Antarctic polar night
March | May | July | September | November | ||
|---|---|---|---|---|---|---|
Mean (SE) | Mean (SE) | Mean (SE) | Mean (SE) | Mean (SE) | ||
MSFsc [Clk] | 4.8 (0.1) | 5.1 (0.1) | 5.2 (0.1) | 4.9 (0.1) | 5 (0.1) | |
Mid-sleep [Clk] | (W) | 4 (0.1) | 4.1 (0.1) | 4.1 (0.1) | 4.1 (0.1) | 4.1 (0.1) |
(F) | 5 (0.1) | 5.3 (0.1) | 5.5 (0.1) | 5.1 (0.1) | 5.2 (0.1) | |
Social Jetlag [m] | 62.2 (6.3) | 73.4 (6.5) | 82.1 (7.5) | 61.7 (6.1) | 65.8 (5.9) | |
Sleep duration [m] | (W) | 437.2 (8) | 423.4 (7.4) | 424.4 (7.3) | 431.3 (8.2) | 435.7 (8.3) |
(F) | 455.2 (10.6) | 422.7 (8.4) | 444.8 (9.3) | 444.8 (11.7) | 440.8 (8.6) | |
Nap [m] | (W) | 47.3 (3.5) | 61.9 (5.5) | 61.3 (6.4) | 59.7 (6.4) | 45.2 (4.7) |
(F) | 64.5 (5.4) | 62.4 (5.9) | 70.8 (6.6) | 63.7 (6.2) | 56.1 (5.4) | |
Total sleep [m] | (W) | 437.2 (8.7) | 423.4 (9) | 424.4 (8.5) | 431.3 (7.6) | 435.7 (8.9) |
(F) | 455.2 (11.4) | 422.7 (9.6) | 444.8 (10.9) | 444.8 (11.3) | 440.8 (9.4) | |
Sleep onset [Clk] | (W) | 0.3 (0.1) | 0.6 (0.1) | 0.6 (0.1) | 0.6 (0.1) | 0.4 (0.1) |
(F) | 1.3 (0.2) | 1.8 (0.1) | 1.8 (0.1) | 1.5 (0.2) | 1.5 (0.1) | |
Sleep offset [Clk] | (W) | 7.6 (0.1) | 7.6 (0.1) | 7.6 (0.1) | 7.7 (0.1) | 7.7 (0.1) |
(F) | 8.8 (0.2) | 8.9 (0.1) | 9.3 (0.2) | 8.9 (0.1) | 8.9 (0.1) | |
Sleep onset latency [m] | (W) | 13.6 (1.1) | 14.2 (1.1) | 15.6 (1.1) | 15 (1.1) | 13.9 (1.1) |
(F) | 14.1 (1.2) | 14.2 (1.1) | 14.5 (1.1) | 14.6 (1) | 13.9 (1.1) | |
Sleep inertia [Clk] | (W) | 7.9 (0.1) | 7.9 (0.1) | 8 (0.1) | 8 (0.1) | 7.8 (0.2) |
(F) | 9.2 (0.2) | 9.6 (0.2) | 9.4 (0.3) | 9.5 (0.2) | 8.9 (0.3) | |
Time to bed [Clk] | (W) | 0.1 (0.1) | 0.3 (0.1) | 0.3 (0.1) | 0.3 (0.1) | 0.2 (0.1) |
(F) | 1.1 (0.2) | 1.6 (0.1) | 1.6 (0.1) | 1.3 (0.2) | 1.3 (0.1) | |
