Table 1

Sleep in 12-h light and dark periods under baseline conditions in cry1,2+/+ and cry1,2-/- mice.

NREMS amount [%]


light
dark
Difference
cry1,2+/+
48.8 ± 1.9#
31.3 ± 2.3
17.5 ± 3.9
cry1,2-/-
49.5 ± 1.9
45.4 ± 1.9*
4.2 ± 1.6*

NREMS bout duration [min]


light
dark
difference
cry1,2+/+
2.9 ± 0.2
2.9 ± 0.2
0.1 + 0.2
cry1,2-/-
3.9 ± 0.2*
4.1 ± 0.4*
-0.2 + 0.2

REMS amount [%]


light
dark
Difference
cry1,2+/+
11.9 ± 1.1#
3.8 ± 1.0
8.2 ± 1.5
cry1,2-/-
8.5 ± 0.5*
7.8 ± 0.7*
0.8 ± 0.8*

Post-hoc comparisons: * P < 0.05 vs. wild type, unpaired t-tests; # P < 0.05 vs. dark period, within same genotype, paired t-tests. Differences represent the mean of individual light-dark differences.

Wisor et al. BMC Neuroscience 2002 3:20   doi:10.1186/1471-2202-3-20