Intended for healthcare professionals


Sleep Charts

Br Med J 1939; 2 doi: (Published 12 August 1939) Cite this as: Br Med J 1939;2:369

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: January 2010 to March 2018

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Jan 2010001
Oct 2010002
Nov 2010002
Feb 2012001
Jul 2014002
Nov 2015002
Mar 2018001