From: A description of sleep behaviour in healthy late pregnancy, and the accuracy of self-reports
Variable | Video | Questionnaire |
---|---|---|
Number who slept on left side of bed | 23/30 | - |
Number where the bed partner was present | 16/30 | - |
Sleep onset position | ||
Left | 20/30 | 21/30 |
Right | 8/30 | 4/30 |
Supine | 2/30 | 4/30 |
Don’t know | - | 3/30 |
Wake position | ||
Left | 15/30 | 8/30 |
Right | 11/30 | 11/30 |
Supine Prone | 4/30 - | 4/30 1/30 |
Don’t know | - | 6/30 |
Times out of bed | 1 (0 – 6) | 1 (0 – 6) |
Total time out of bed (minutes) | 2.5 (0 – 21.3) | - |
Study duration (hours) | 8.6 (6.8 - 9.8) | - |
Estimated sleep duration (hours) | 8.2 (6.6 – 9.5) | 7.0 (4.0 – 9.5) |
Estimated sleep latency (minutes) | 11.4 (4.5 – 50.6) | 20.0 (1.0 – 60.0) |
Total time in each position (hours) | ||
Left | 4.3 (0.45 - 7.7) | - |
Right | 2.0 (0–5.7) | - |
Supine | 1.6 (0–11) | - |
Total time in each position (% of sleep study time) | ||
Left | 49 % (5–90 %) | - |
Right | 26 % (0–67 %) | - |
Supine | 19 % (0–75 %) | - |
Average time spent in position before changing (minutes) | ||
Left | 34.8 (3.2 – 55.2) | - |
Right | 39.4 (0 – 58.6) | - |
Supine | 14.8 (0 – 50.0) | - |
Number of times in each position | ||
Left | 4.5 (1 – 10) | - |
Right | 3 (0 – 7) | - |
Supine | 3 (0 – 11) | - |
Number of position changes | 8 (1–22) | |
Leg twitches during the sleep study? | ||
Yes | - | 4/30 |
No | - | 13/30 |
DK | - | 13/30 |
Number of participants that reported difficulty falling asleep | - | 22/30 |
Number of participants that reported difficulty getting back to sleep after waking | - | 13/30 |
Overall self-reported sleep quality in questionnaire | ||
“Very bad” | - | 0/30 |
“Fairly good” | - | 8/30 |
“Average” | - | 16/30 |
“Fairly bad” | - | 6/30 |
“Very good” | - | 0/30 |
Reported restlessness in questionnaire | ||
“Not at all” | - | 2/30 |
“A little” | - | 7/30 |
“Average” | - | 14/30 |
“More than average” | - | 6/30 |
“Very restless” | - | 1/30 |