Figure 7. REM sleep latencies across postnatal development in the ferret.
Mean (± SEM) REM latency was calculated as (A) the time elapsed (in minutes) between REM sleep episodes or (B) time elapsed from the longest waking period to the first REM sleep episode. A: P30< P35-AD & K31, AD vs. K31 p<0.05; B: P30< P35-AD, AD vs. K31 p<0.05. Adult comparison data are indicated by “Ad”, P30–32 cat data by “K31”.