0 1 2 3 Tue 11 Feb 1851 Sat 01 Mar 1851 Tue 01 Apr 1851 Thu 01 May 1851 Sun 01 Jun 1851 Tue 01 Jul 1851 Fri 01 Aug 1851 Mon 01 Sep 1851 Wed 01 Oct 1851 Sat 01 Nov 1851 Mon 01 Dec 1851 Thu 01 Jan 1852 Sun 01 Feb 1852 Tue 10 Feb 1852 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