[1] Guo L. The delayed, durable effect of expressive writing on depression, anxiety and stress: A meta‐analytic review of studies with long‐term follow‐ups[J]. British Journal of Clinical Psychology, 2023, 62(1): 272-297.
[2] Chesson Jr A L, Anderson W M D, Littner M, et al. Practice parameters for the nonpharmacologic treatment of chronic insomnia[J]. Sleep, 1999, 22(8): 1128-1133.