Assessment of

sleep quality

Cronbach′s α: 0.842.

Test-retest reliability: 0.809 2.

Split-half reliability: r=0.866 1.

PSQI was positively associated with

the score of SDS (r =0.428 9, P<0.01)

and SAS (r =0.416 2, P<0.01)

Cronbach′s α was 0.89 among Chinese drivers.

Daytime dysfunction factor significantly

predicted violation involvement and

accident involvement (P=0.001)

Cronbach′s α : 0.828.

Test-retest reliability: the ICCs ranged

from 0.738 to 0.764.

SQQ was negatively associated with the score

of NRSS-C (r =-0.645) and SCI-C (r =-0.588)

Sleep-50

Questionnaire

Assessment of

insomnia

Cronbach′s α was 0.81 among old people.

Content validity index was 0.94.

Construct validity: ISI-C was positively

associated with the score of PSQI

(r =0.686, P<0.001) and negatively associated

with sleep efficiency (r =-0.583, P<0.001)

Test-retest reliability: 0.80.

AIS was positively associated with the score

of Epworth Sleepiness Scale (r =0.44) and

General Health Questionnaire (r =0.51)

Cronbach′s α: 0.817.

SCI was negatively associated with the score

of SQQ (r =-0.558, P < 0.001)

Sleep cognitive

assessment

Cronbach′s α: 0.835.

Test-retest reliability: 0.94.

Split-half reliability: 0.81.

DBAS-30 was positively associated with the

score of DBAS-16 (r =0.86), and was negatively

associated with the score of PSQI (r =-0.48)

Cronbach′s α was 0.775 among college students.

Test-retest reliability: 0.917.

GSES was positively associated with the score

of PSQI (r =0.405), and was negatively

associated with the score of DBAS-16 (r =-0.439)

Cronbach′s α was 0.62 among students in

nursing major.

Test-retest reliability: 0.9.

SHI was positively associated with the score of

ISI (r =0.25)

Assessment of

sleep quality

of different

populations

Cronbach′s α: 0.73.

The consistency between mother and father was 0.89.

Test-retest reliability was 0.85

Cronbach′s α was 0.86 among preschoolers.

Split-half reliability: 0.802

Cronbach′s α was 0.895 among ICU patients.

Content validity: 0.84.

RCSQ was positively associated with the score

of SMH (r =0.504‒0.856)

Cronbach′s α =0.72‒0.88.

Test-retest reliability ranged from 0.64 to 0.91

Assessment

of sleep

Used to investigate sleep

in different populations or

as an indicator of efficacy

A cut-off score ≥23

was diagnosed as

insomnia

For screening and assessment

of sleep disorders in the

general population

Assessment

of insomnia

For assessing the severity

of insomnia

It can be used as an

alternative to PSQI to assess

the severity of insomnia

A cut-off score≥5

was diagnosed as

insomnia

Insomnia

scale of

TCM

For evaluating the efficacy of

Chinese medicine in the

treatment of insomnia

Assessment of

sleep quality

of different populations

For the assessment

of sleep in soldiers

To assess the ability of soldiers

to adapt and self-adjust to

changes in their sleep

environment

For assessing sleep problems

in soldiers

For assessing the sleep of

infants from 0 to 3 months

The cut-off values for poor and

abnormal sleep were 31 and

34, respectively

For assessing the sleep of

infants aged 4‒11 months

The cut-off values for poor and

abnormal sleep were 32 and

35, respectively

For assessing sleep

in toddlers aged 12‒35

months

The total score>40 indicated

poor sleep, and >45 indicated

abnormal sleep