[1] Sarifakioğlu N, Terzioğlu A, Ates L, et al. A new phenomenon: "sleep lines" on the face. Scand J Plast Reconstr Surg Hand Surg. 2004; 38(4): 244-247.
[2] Oyetakin-White P, Suggs A, Koo B, et al. Does poor sleep quality affect skin ageing? Clin Exp Dermatol. 2015; 40(1): 17-22.
[3] Anson G, Kane MA, Lambros V. Sleep wrinkles: Facial aging and facial distortion during sleep. Aesthet Surg J. 2016; 36(8): 931-940.
[4] Poljsak B, Godic A, Lampe T, et al. The influence of the sleeping on the formation of facial wrinkles. J Cosmet Laser Ther. 2012; 14(3): 133-138.
[5] Kotlus BS. Effect of sleep position on perceived facial aging. Dermatol Surg. 2013; 39(9): 1360-1362.
[6] Peng JH, Peng HP. Cheek wrinkles revisited: Etiological classifications and nonsurgical treatment options. J Cosmet Dermatol. 2023; 22(6): 1733-1738.