1. Its physiology, pathology, hygiene, and psychology;De Manacéíne,1897
2. The anatomy of sleep;Binns,1845
3. Sleep and its derangements;Hammond,1869
4. A self-assessment questionnaire to determine morningness-eveningness in human circadian rhythms;Horne;Int J Chronobiol,1976
5. The sleep of 'morning' and 'evening' types;Webb;Biol Psychol,1978