0 1 2 3 Fri 15 Sep 1916 Sun 01 Oct 1916 Wed 01 Nov 1916 Fri 01 Dec 1916 Mon 01 Jan 1917 Thu 01 Feb 1917 Mon 05 Feb 1917 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