
Keywords: زمان تأخیر خواب; BDI-II; Beck Depression Inventory-II; CBT-I; Cognitive-behavioural therapy for insomnia; eCBT-I; digitally-delivered CBT-I; PSQI; Pittsburgh Sleep Quality Index; SE; sleep efficiency; SOL; sleep onset latency; SQ; sleep quality; STAI-S; State-Trait Anxiet