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Table 1 Sleep parameters for the two cases.

From: Impact of Acupuncture on Chronic Insomnia: A Report of Two Cases with Polysomnographic Evaluation

 

Case 1

Case 2

 

PSG (baseline)

PSG (4 wk later)

PSG (baseline)

PSG (4 wk later)

Total sleep time (min)

293

321.5

285

362.9

Sleep efficiency index (%)

89.7

95.4

85.9

91

Sleep latency (min)

36

17.5

64

33.5

Total sleep period time (min)

361.5

362.9

337.3

395

Wake after sleep onset (min)

45.5

69.5

14.5

51.5

REM stage %

12.3

17.2

10.6

19.6

Stage 1 sleep %

12.6

13

8.8

8.4

Stage 2 sleep %

70.8

56.8

66.3

51.1

Stage 3 sleep %

4.4

13

14.3

20.8

AHI

1.12

0.82

4.67

3.52

  1. AHI = apnea—hypopnea index; PSG = polysomnography; REM = rapid eye movement.