HOW TO QUANTIFY SLEEPINESS DURING AN ATTEMPT TO SLEEP? Статья Putilov 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. Institute of Physics. Том 45. 2024.