Table 2.
Sleep diary and sleep related symptom mean values (SD) in controls and all migraine patients
| C (n=34) | M (n=53) | |
|---|---|---|
| Average diary sleep time (hour) |
7.3 (0.8) |
7.2 (1.0) |
| Long awakenings in diary (no)1 |
0.10 (0.18) |
0.25 (0.36)* |
| Short awakenings in diary (no)2 |
0.15 (0.24) |
0.31 (0.50) |
| Sleep latency in diary3,4 |
0.40 (0.43) |
0.56 (0.61) |
| Categorized sleep latency in diary (0 ≤ 30 min, 1 > 30 min)4 |
32, 2 |
37,15# |
| Epworth sleepiness scale (0–24) |
5.6 (3.1) |
6.5 (3.6) |
| Snoring/apnea KSQ score (0–8) |
1.7 (1.6) |
1.8 (1.7) |
| Daytime tiredness frequency (0–4) |
0.68 (0.84) |
1.15 (0.95)** |
| Insomnia KSQ score (0–16)5 |
3.4 (2.3) |
6.1 (2.9)*** |
| PSQIgs (0–21)6 |
3.8 (2.6) |
6.3 (3.2)*** |
| Pain-related sleep trouble (1–4)7 |
1.3 (0.7) |
1.9 (1.0)** |
| Restless legs (0–1)8 | 0.1 (0.4) | 0.3 (0.5) |
1Awakenings lasting more than 30 min, 2wakenings lasting less than 30 min. 3Each day was categorized as 0: <15 min, 1: 15–30 min, 2: 30–90 min, 3: > 90 min and the individual mean was computed .4 One sleep latency was not assessable and was excluded. 5Sum of four insomnia-questions in KSQ (Karolinska sleep questionnaire), 6 Pittsburgh sleep quality index (PSQI) global score, 7 Frequency of pain-related sleep problems during the last month from the PSQI questionnaire, 7RLS defined as a positive answer to all four obligatory symptom-criteria. # p=0.012, Fisher exact test.: *p<0.05, **p<0.005 ***, p<0.001, Mann–Whitney U-test (in comparison to controls).
Significant differences are emphasized with bold types.