- Table of Contents
- Tab 2
- http://www.shakespeare-navigators.com/macbeth/Sleep.html
- http://www.shakespeare-online.com/plays/macbeth/macbethsleepwalking.html
- http://www.marshfieldclinic.org/patients/?page=cattails_2008_mayjun_sleep
- http://onlinelibrary.wiley.com/doi/10.1111/j.1749-6632.1962.tb50101.x/abstract
- http://www.mannmuseum.com/lady-macbeths-suicide-note/
- http://www.apa.org/topics/sleep/why.aspx