0 1 2 3 Thu 17 Sep 1840 Thu 01 Oct 1840 Sun 01 Nov 1840 Tue 01 Dec 1840 Fri 01 Jan 1841 Mon 01 Feb 1841 Sun 07 Feb 1841 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