0 1 2 3 Fri 27 Sep 1907 Tue 01 Oct 1907 Fri 01 Nov 1907 Sun 01 Dec 1907 Wed 01 Jan 1908 Sat 01 Feb 1908 Mon 17 Feb 1908 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