Caffeine
Caffeine is a substance derived from different plans such as Coffea arabica and Coffea robusta; Camellia sinensis, Theobroma cacao, Paulinia capana and some others [1]. Its increased consumption may lead to insomnia.
Referance
- ↑ Caffeine and plants - http://www.chm.bris.ac.uk/webprojects2001/tilling/sources.htm- taken from Weinberg and Bealer, The World of Caffeine, Routledge, London 2001, p236