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. 2009 Feb 13;15(1):32–51. doi: 10.1111/j.1755-5949.2008.00066.x

Figure 2.

Figure 2

Figure 2

(A) Effects of ramelteon on sleep and wakefulness in freely moving cats. Each value shows the mean (with standard error) percentage of time spent in the stages of wakefulness, SWS, or REM sleep during each block of 2 h after drug administration. Eight of 14 cats were randomly used in each dose group. *P≤ 0.05, **P≤ 0.01, compared with the vehicle‐treated control (ANOVA). #P≤ 0.05, ##P≤ 0.01, compared with the vehicle‐treated control (paired t‐test with Holm's correction) [49]. (B) Effects of melatonin on sleep and wakefulness in freely moving cats. Each value shows the mean (with standard error) percentage of time spent in the stages of wakefulness, SWS, or REM sleep during each block of 2 h after drug administration. Eight of 14 cats were randomly used in each dose group. *P≤ 0.05, **P≤ 0.01, compared with the vehicle‐treated control (ANOVA). #P≤ 0.05, ##P≤ 0.01, compared with the vehicle‐treated control (paired t‐test with Holm's correction) [49].