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Table 2 Effect of 6 h SD on sleep time and delta power in cry1,2+/+ and cry1,2-/- mice.

From: A role for cryptochromesin sleep regulation

NREMS amount [min]
  baseline post-SD difference
cry1,2 +/+ 264 ± 9 297 ± 15# 33 ± 8
cry1,2 -/- 312 ± 9* 318 ± 9 5 ± 4*
NREMS bout duration [min]
  baseline post-SD difference
cry1,2 +/+ 2.6 ± 0.1 3.3 ± 0.3# 0.7 ± 0.3
cry1,2 -/- 4.2 ± 0.4* 3.7 ± 0.2 -0.4 ± 0.3*
NREMS Delta power [μV2/0.1 Hz]
  baseline post-SD difference [%]
cry1,2 +/+ 407 ± 59 704 ± 125# 170 ± 14
cry1,2 -/- 619 ± 67* 805 ± 40# 134 ± 8*
REMS amount [min]
  baseline post-SD difference
cry1,2 +/+ 52 ± 6 63 ± 3# 11 ± 7
cry1,2 -/- 53 ± 4 58 ± 1 5 ± 3
  1. Post-hoc comparisons: * P < 0.05 vs. wild type, unpaired t-test; # P < 0.05, vs. baseline day, within same genotype, paired t-test. Delta power was calculated over the first hour after the SD (ZT6-ZT7). REMS and NREMS amount and bout duration were calculated over 12 hours (ZT6-ZT18). Differences indicate mean individual post-SD – baseline differences except for delta power which is calculated as percentage of baseline.