life Article Acceptance and Commitment Therapy (ACT) Improves Sleep Quality, Experiential Avoidance, and Emotion Regulation in Individuals with Insomnia—Results from a Randomized Interventional Study Ali Zakiei 1,* , Habibolah Khazaie 1 , Masoumeh Rostampour 1, Sakari Lemola 2 , Maryam Esmaeili 3, Kenneth Dürsteler 4,5, Annette Beatrix Brühl 6,7 , Dena Sadeghi-Bahmani 1,6,7,8 and Serge Brand 1,6,7,9,10,11,* 1 Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran;
[email protected] (H.K.);
[email protected] (M.R.);
[email protected] (D.S.-B.) 2 Department of Psychology, Bielefeld University, 33602 Bielefeld, Germany;
[email protected] 3 Department of Psychology, Faculty of Education, University of Isfahan, Isfahan 8174673441, Iran;
[email protected] 4 Psychiatric Clinics, Division of Substance Use Disorders Basel, University of Basel, 4055 Basel, Switzerland;
[email protected] 5 Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, 8008 Zürich, Switzerland 6 Center for Affective, Stress and Sleep Disorders (ZASS), Psychiatric University Hospital Basel, 4002 Basel, Switzerland;
[email protected] 7 Department of Clinical Research, University of Basel, 4031 Basel, Switzerland 8 Departments of Physical Therapy, University of Alabama at Birmingham, Birmingham, AL 35294, USA Citation: Zakiei, A.; Khazaie, H.; 9 Substance Abuse Prevention Research Center, Kermanshah University of Medical Sciences, Rostampour, M.; Lemola, S.; Esmaeili, Kermanshah 6715847141, Iran 10 M.; Dürsteler, K.; Brühl, A.B.; Division of Sport Science and Psychosocial Health, Department of Sport, Exercise and Health, University of Sadeghi-Bahmani, D.; Brand, S.