Einar Bredeli

Intraindividual variability in sleep among people with insomnia and its relationship with sleep, health and lifestyle factors: an exploratory study.

S. Øverland, S. Pallesen, B. Sivertsen, 2021, Sleep medicine.

Short and long-term effects of unguided internet-based cognitive behavioral therapy for chronic insomnia in morning and evening persons: a post-hoc analysis

S. Pallesen, B. Sivertsen, L. Ritterband, 2019, Chronobiology international.