Match the followings:
| A. Stage 1 | I. Slow rolling eye movements |
| B. Stage 2 | II. Sleep spindles and K-complexes |
| C. Stage 3 | III. Delta waves dominate |
| D. REM Sleep | IV. Vivid dreaming and muscle atonia |
1
A-I, B-II, C-III, D-IV
2
A-II, B-III, C-IV, D-I
3
A-III, B-IV, C-I, D-II
4
A-III, B-I, C-II, D-IV