Loneliness among single and coupled individuals in response to the COVID-19 pandemic: A cross-country analysis Katarzyna Adamczyk; Agnieszka Ewa ¿y¿;

Continuous sleep tracking in digital CBT-I: Efficacy and insights from a naturalistic-environment study Alexandra Hinterberger; Esther-Sevil Eigl; Aniko Szeko; Pavlos I Topalidis; Manuel Schabus;

Optimism, sleep quality, physical activity, and cancer-related cognitive impairment in middle-to-older aged patients undergoing breast cancer treatment Jenna L. Hansen; Rachel Plotke; Millan R. Kanaya; Sarah N. Webster; Paula J. Popok; Emily A. Walsh; Molly Ream; Mason J. Krueger; Estefany Saez-Clarke; Dolores M. Perdomo; Daniela Frasca; Susan B. Kesmodel; Bonnie B. Blomberg; Michael H. Antoni;