Thomas, M., Sing, H., Belenky, G., Holcomb, H., Mayberg, H., Dannals, R., Wagner JR., H., Thorne, D., Popp, K., Rowland, L., Welsh, A., Balwinski, S. and Redmond, D. (2000). «Neural basis of alertness and cognitive performance impairments during sleepiness. I. Effects of 24 h of sleep deprivation on waking human regional brain activity». Journal of Sleep Research9 (4): 335-52. PMID11123521. doi:10.1046/j.1365-2869.2000.00225.x.
Schmid, Sebastian M.; Hallschmid, Manfred; Jauch-Chara, Kamila; Born, JAN; Schultes, Bernd (2008). «A single night of sleep deprivation increases ghrelin levels and feelings of hunger in normal-weight healthy men». Journal of Sleep Research17 (3): 331-4. PMID18564298. doi:10.1111/j.1365-2869.2008.00662.x.
Thomas, M., Sing, H., Belenky, G., Holcomb, H., Mayberg, H., Dannals, R., Wagner JR., H., Thorne, D., Popp, K., Rowland, L., Welsh, A., Balwinski, S. and Redmond, D. (2000). «Neural basis of alertness and cognitive performance impairments during sleepiness. I. Effects of 24 h of sleep deprivation on waking human regional brain activity». Journal of Sleep Research9 (4): 335-52. PMID11123521. doi:10.1046/j.1365-2869.2000.00225.x.
Schmid, Sebastian M.; Hallschmid, Manfred; Jauch-Chara, Kamila; Born, JAN; Schultes, Bernd (2008). «A single night of sleep deprivation increases ghrelin levels and feelings of hunger in normal-weight healthy men». Journal of Sleep Research17 (3): 331-4. PMID18564298. doi:10.1111/j.1365-2869.2008.00662.x.