0 1 2 3 Sun 09 May 1937 Tue 01 Jun 1937 Thu 01 Jul 1937 Sun 01 Aug 1937 Wed 01 Sep 1937 Fri 01 Oct 1937 Mon 01 Nov 1937 Wed 01 Dec 1937 Wed 22 Dec 1937 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All