7.5% stage 1, 85.6% stage 2, 4.3% stage 3, 0% stage 4, 2.6% REM. Sleep efficiency 92.3%, 84 arousals.
5/2/06: 19.5% stage I, 69.1% stage II, 11.4% stage III, 0% stage IV & REM, Sleep efficiency 87.7%, 106 arousals.
3/3/08: 2.8% stage1, 81.4% stage 2, 15.8% stage 3, 0% stage 4 & REM, sleep efficiency 75%, 27 arousals, 14 PLMS
3/19/09: 5.3% Wake, 2% stage 1, 61.5% stage 2, 35.3% stage 3, 0% stage 4, 1.1% REM, sleep efficiency 87.2%, 129 PLM.