Table 1

Actigraphic data on sleep and the rest-activity cycles from fall 2005 (before versus after DST transition).

FALL

Mean/before

95% confidence interval/before

Standard deviation/before

Mean/after

95% confidence interval/after

Standard deviation/after

Significance


Sleep efficiency (%)

86.33

80.80 – 91.87

6.62

79.76

74.79 – 84.72

5.94

0.006

Movement and fragmentation index

23.13

16.50 – 29.75

7.92

35.66

26.02 – 43.30

9.14

0.003

Relative amplitude

0.93

0.90 – 0.96

0.36

0.85

0.74 – 0.96

0.14

0.055

Intra-daily stability

0.58

0.47 – 0.70

0.15

0.57

0.42 – 0.72

0.19

0.880

Intra-daily variability

0.83

0.73 – 0.93

0.13

0.82

0.67 – 0.97

0.19

0.857


Lahti et al. BMC Physiology 2008 8:3   doi:10.1186/1472-6793-8-3

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