-- Foods and nutrients and other factors that disturb sleep -- 22.Caffeine, sleep and sleepiness: withdrawal, dependence and tolerance / S. Heatherley -- 23.Alcohol and sleep / J. Foster -- 24.Vitamin D deficiency, sleep, sleep disruption, and daytime neurocognitive impairment / A.A. Marino -- 25.Oral cavity and oropharyngeal cancers and sleep / K.M. Higgins -- 26.Sleep-related eating as a side e