Mean (SD)

Lovesickness

(n = 32)

Control (n = 152)

T

df

p

PSQI sum score

8.88 (3.18)

6.96 (3.23)

3.06

182

0.003*

Subjective sleep quality

1.21 (0.55)

1.01 (0.65)

1.73

182

0.086

Sleep latency

2.53 (1.68)

2.01 (1.68)

1.59

182

0.115

Sleep duration

0.31 (0.59)

0.26 (0.53)

0.51

181

0.610

Sleep efficiency

0.56 (0.76)

0.55 (0.77)

0.06

180

0.951

Sleep disturbances

1.31 (0.54)

0.99 (0.36)

3.29

37.25

0.002*

Use of sleep medication

0.00 (0.00)

0.03 (0.20)

−0.75

182

0.453

Daytime dysfunction

2.94 (1.41)

2.13 (1.24)

3.30

182

0.001***