@article {pat1998hourly,
	title = {Hourly profiles of sleep and wakefulness in severely versus mild-moderately demented nursing home patients},
	journal = {Aging Clinical and Experimental Research},
	volume = {10},
	year = {1998},
	pages = {308{\textendash}315},
	publisher = {Springer International Publishing},
	author = {Pat-Horenczyk, R and Klauber, MR and Shochat, T and Ancoli-Israel, S}
}
