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. 2010 Aug 12;109(4):1053–1063. doi: 10.1152/japplphysiol.00516.2010

Table 1.

Sleep pattern of wild-type and transgenic rats (n = 8) in 24 h, and separately during the day and the night

24 h
Day
Night
WT TG WT TG WT TG
Wake
    No. of periods 201.33 ± 18.66 192.08 ± 12.21 96.00 ± 11.96 100.42 ± 15.87 106.33 ± 7.86 102.83 ± 9.82
    Total time, min 558.18 ± 36.95 590.58 ± 37.18 191.79 ± 16.41 200.16 ± 12.04 366.29 ± 31.26 388.84 ± 31.65
    % 38.87 ± 2.72 40.12 ± 2.60 26.66 ± 2.3 27.38 ± 1.400 50.91 ± 4.35 52.86 ± 4.45
    Mean time per stage, s 182.44 ± 30.53 190.71 ± 23.93 133.66 ± 25.59 132.21 ± 20.03 228.24 ± 36.02 245.5 ± 44.69
NREM
    No. of periods 371.11 ± 24.58 358.83 ± 24.40 211.72 ± 15.24 199.17 ± 13.10 159.61 ± 10.99 160.00 ± 13.64
    Total time, min 782.21 ± 42.61 777.08 ± 34.22 471.33 ± 20.11 479.59 ± 11.54 310.87 ± 26.65 293.43 ± 27.24
    % 54.31 ± 2.75 53.76 ± 2.28 65.50 ± 2.50 66.05 ± 1.68 43.20 ± 3.70 41.48 ± 3.71
    Mean time per stage, s 128.22 ± 5.71 132.76 ± 5.84 136.84 ± 7.32 146.51 ± 8.04 117.83 ± 6.07 113.47 ± 4.78
REM
    No. of periods 98.00 ± 15.18 83.50 ± 20.04 56.72 ± 7.10 51.5 ± 14.14 41.83 ± 8.84 31.92 ± 7.21
    Total time, min 98.53 ± 13.45 82.96 ± 13.10 56.28 ± 4.78 45.68 ± 6.53 42.37 ± 10.73 36.93 ± 7.86
    % 6.82 ± 0.88 6.12 ± 0.95 7.84 ± 0.7 6.57 ± 0.86 5.89 ± 1.49 5.66 ± 1.18
    Mean time per stage, s 61.64 ± 3.03 70.31 ± 8.71 62.06 ± 4.17 63.36 ± 9.44 59.85 ± 4.87 79.36 ± 6.32*

Data are presented as means ± SE. WT, wild type; TG, transgenic; NREM, non-rapid eye movement sleep; REM, rapid eye movement sleep. %, Time in a given sleep state (wake, NREM, REM) expressed as a percentage of total period under consideration (24 h; or 12 h for Day and for Night).

*

P < 0.05 vs. WT.

P < 0.05 vs. day of the same genotype.