Table 3.

Duration of episodes of asymmetrical slow-wave sleep in fur seals under baseline conditions and during bilateral slow-wave SD and SR

Episode durationBaselineSleep deprivationRecoveryANOVA (p value)Tukey post hoc test
Day 1Day 2Day 3SD vs BSD vs SRR vs B
<1 minn/d67 (6)96 (16)110 (24)103 (13)70 (20)ns
<1 min% B100 (0)146 (29)159 (25)155 (19)100 (24)
1–3 minn/d21 (6)41 (12)56 (22)43 (16)16 (8)<0.02SD2 > B*SD2 > SR*
1–3 min% B100 (0)187 (12)235 (56)192 (39)69 (19)
>3 minn/d9 (4)16 (6)14 (4)19 (8)11 (5)ns
>3 min% B100 (0)259 (58)296 (93)405 (131)157 (55)
  • Data are presented as the number of episodes per day (n/d) and percentage of baseline (% B). The data are mean ± SEM (in parentheses). ANOVA, Repeated measures ANOVA. * p < 0.05. ns, not significant.