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Table 1 Sleep in 12-h light and dark periods under baseline conditions in cry1,2+/+ and cry1,2-/- mice.

From: A role for cryptochromesin sleep regulation

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*

  1. 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.