Table 1.
Sleep Data
| Sleep parameter
|
Early retention sleep
|
Late retention sleep
|
|||
|---|---|---|---|---|---|
| Mean
|
SEM
|
Mean
|
SEM
|
F(1,11)
|
|
| Sleep onset (min) | 30.38 | 8.87 | 26.17 | 5.16 | 0.27 |
| Sleep time (min) | 184.83 | 2.59 | 184.50 | 5.26 | 0.00 |
| Wake (%) | 0.26 | 0.16 | 0.64 | 0.35 | 1.06 |
| S1 (%) | 5.54 | 1.08 | 6.28 | 1.58 | 0.27 |
| S2 (%) | 56.03 | 3.71 | 51.59 | 3.40 | 1.59 |
| SWS (%) | 28.00 | 3.24 | 10.25 | 2.47 | 38.07** |
| REM (%) | 10.15 | 1.62 | 31.23 | 2.06 | 66.59** |
S1, sleep stage 1; S2, sleep stage 2; SWS, slow wave sleep; REM, rapid eye movement sleep.
**
p < 0.001, for pairwise comparison between the effects of early and late retention sleep.