id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ffhd-81	Nakano, Masahiko; Yamamoto, Tetsuro; Okamura, Hisayoshi; Tsuda, Akira; Kowatari, Yasuyuki	Effects of Oral Supplementation with Pyrroloquinoline Quinone on Stress, Fatigue, and Sleep	2012		.htm	text/html	568	16	29	The results of the Oguri-Shirakawa-Azumi Sleep Inventory (Middle Aged and Aged version) showed significant improvement in sleepiness at awakening, sleep onset and maintenance, and sleep duration. Furthermore, the changes in these global scores were correlated with changes in the cortisol awakening response (R = -0.55), i.e. the effects of PQQ on improvement of sleep quality are supported by a biomarker.	cache/ffhd-81.htm	txt/ffhd-81.txt