Figures & data
Figure 1. Participant recruitment.
Figure 2. Diagram of sleep and light education, relaxation training and wearing blue light blocking glasses.
Figure 3. Comparison of questionnaire results before and after education.
Data are presented as means and ranked from the most significant changes to the least.
The t-test was used.
SLE = sleep and light education; PSQI = Pittsburgh Sleep Quality Index; ISI = Insomnia Severity Index; ESS = Epworth Sleepiness Scale; BDI-II = Beck Depression Inventory II; STAI = Stress and Anxiety Inventory
*p – value < 0.05. **p – value < 0.001
Figure 4. Comparison of actigraphy-derived metrics before and after education.
Data are presented as means. Sleep latency was measured in minutes, while Sleep fragmentation and Sleep efficiency represent relative percentages. SLE = sleep and light education. p < 0.05
Table 1. Demographic and clinical characteristics of the participants. Data are presented as means. BMI = body mass index; PMR = progressive muscle relaxation.
Supplemental material