1. Iber C, American Academy of Sleep Medicine, et al. The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications. Westchester: American Academy of Sleep Medicine; 2007.
2. Lugaresi E, Provini F, Montagna P. The neuroanatomy of sleep. Considerations on the role of the thalamus in sleep and a proposal for a caudorostral organization. Eur J Anat. 2004;8(2):85–93.
3. Chokroverty S. Functional neuroanatomy and mechanism of sleep. In: Chokroverty S, Cortelli P, editors. Autonomic nervous system and sleep. Order and disorder. Cham: Springer Nature Switzerland AG; 2021.
4. Critchley M. The pre-dormitum. Rev Neurol (Paris). 1955;93:101–6.
5. Saper CB, Scammell TE, Lu J. Hypothalamic regulation of sleep and circadian rhythms. Nature. 2005;437(7063):1257–63.