Table 2 Sleep diary, sleep disorder symptoms, autonomic instability symptoms and emotional state

Average diary sleep time (hour)

7.3 (0.8)

7.2 (1.0)

7.3 (0.9)

Long awakenings in diary¹ (no)

0.1 (0.2)

0.2 (0.2)

0.3 (0.5)

Short awakenings in diary² (no)

0.2 (0.2)

0.2 (0.5)

0.3 (0.5)

Sleep latency in diary³

0.4 (0.4)

0.7 (0.8)

0.5 (0.5)

Epworth sleepiness scale (0–24)

5.6 (3.1)

5.5 (3.3)

7.2 (4.7)

Snoring/apnea KSQ score (0–8)

1.7 (1.6)

1.5 (1.3)

1.6 (1.8)

Daytime tiredness frequency (0–4)

0.7 (0.8)

1.1 (1.0)

1.3 (1.0) ¹²

Insomnia KSQ score (0–16)⁴

3.4 (2.3)

6.3 (3.7) ¹²

5.8 (2.8) ¹²

PSQIgs (0–21)⁵

3.8 (2.6)

6.5 (3.1) ¹²

5.9 (3.5) ¹¹

Pain-related sleep trouble (1–4)⁶

1.3 (0.7)

1.8 (1.0) ¹¹

2.0 (1.1) ¹²

Restless legs (0–1)⁷

0.1 (0.4)

0.3 (0.5)

0.3 (0.5)

Depression score (0–21)⁸

1.6 (2.1)

2.1 (2.1)

2.9 (2.8)

Anxiety score (0–21)⁸

2.9 (2.6)

5.3 (2.6) ¹²

6.0 (3.3) ¹²

Autonomic index (0–30)⁹

1.5 (1.4)

5.7 (5.0) ¹³

6.3 (3.3) ¹³