HOW TO QUANTIFY SLEEPINESS DURING AN ATTEMPT TO SLEEP? ArticlePutilov A.A., Sveshnikov D.S., Yakunina E.B., Mankaeva O.V., Puchkova A.N., Shumov D.E., Gandina E.O., Taranov A.O., Ligun N.V., Donskaya O.G., Verevkin E.G., Dorokhov V.B.Physiological Measurement. Том 45. 2024.