Relationships Between Childhood Bullying/Domestic Violence Experience and Insomnia among Employees in Japan

<p>Data were obtained from a survey of the Tsukuba Science City Network in Tsukuba.<br> This survey was an anonymous web questionnaire entitled The 7th Life Environment and Workplace Stress Survey from February to March 2017.</p> <p>7175 people (average age, 44 years; 4509 men and 2666 women) aged 20 to 65 years.</p>