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Table 2 Quantitative sleep parameters in the preoperative period of 119 women

From: A pragmatic evaluation of sleep patterns before gynecologic surgery

 

Mean±SE

P value

Baseline

Night-2

Night-1

Baseline vs. night-2

Baseline vs. night-1

Night-2 Vs. night-1

Bed time (hh:mm)

22:47 ± 00:04

23:12 ± 00:06

22:34 ± 00:16

0.002

0.3

0.07

Falling asleep (hh:mm)

23:07 ± 00:04

23:36 ± 00:05

23:24 ± 00:13

0.0009

0.01

0.51

Time to fall asleep (min)

20 ± 2

24 ± 2

38 ± 5

0.3

0.0004

0.01

Waking time (hh:mm)

06:40 ± 00:05

08:34 ± 12:46

05:31 ± 00:14

<0.0001

<0.0001

<0.0001

Sleep duration (min)

453 ± 6

465 ± 7

367 ± 8

0.11

<0.0001

<0.0001

  1. Night-1 one night before surgery, Night-2 two nights before surgery, SE standard error. hh hours; mm minutes