Primary Insomnia
Conditions
Brief summary
Digital cognitive behavioral therapy for insomnia (dCBT-i) is found to be effective but is rarely used in China. Hence, the investigators developed an automated Chinese dCBT-i program and examined its feasibility, acceptability, and preliminary effectiveness in individuals with insomnia symptoms.
Interventions
BEHAVIORALDigital Cognitive Behavioral Therapy
Cognitive behavioral therapy for insomnia (CBT-i) has been showed to be effective in reducing insomnia symptoms and insomnia-related symptoms, including sleepiness, dysfunctional beliefs and attitudes about sleep, anxiety and depressive symptoms
BEHAVIORALSleep Hygiene Education (SHE)
The SHE group received sleep hygiene education delivered in text form, and the same intervention as the dCBT-i group did after four weeks.
Sponsors
Peking University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* were aged 18 or older; * had a positive screening result for chronic insomnia, i.e., a score of 16 or lower on the Sleep Condition Indicator (SCI); * had stable access to the internet via a smartphone.
Exclusion criteria
* additional sleeping conditions except for insomnia (such as restless legs syndrome and sleep apnea); * psychosis or mania; * serious physical health concerns necessitating surgery or with prognosis \<6 months; * undergoing medical or psychological treatment for insomnia with a health professional; * habitual night shift, evening, or rotating shift-workers.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| sleep diary | week 4 | recording one's sleep efficiency, total sleep time, sleep onset latency, wakefulness after sleep onset, and subjective sleep quality |
| Sleep Condition Indicator-8 | week 4 | Sleep Condition Indicator-8 is an 8-item scale validated against Diagnostic and Statistical Manual-5 criteria, concerning sleep quality and daytime personal functioning. It scores between 0 to 32, with higher scores meaning better sleep. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| the Epworth Sleepiness Scale | week 4 | It scores between 0 to 24, with higher scores meaning greater sleepiness. |
| the Insomnia Severity Index 7-item version | week 4 | It scores between 0 to 28, with higher scores meaning more severe insomnia. |
| the Generalized Anxiety Disorder 7-item version | week 4 | It scores between 0 to 21, with higher scores meaning higher anxious symptoms. |
| the Patient Health Questionnaire 9-item version | week 4 | It scores between 0 to 27, with higher scores meaning higher depressive symptoms. |
| the Dysfunctional Beliefs and Attitudes about Sleep Scale 16-item version | week 4 | It scores between 16 to 80, with higher scores meaning more dysfunctional beliefs. |
Countries
China
Outcome results
None listed