0 1 2 3 Thu 27 Dec 1866 Tue 01 Jan 1867 Fri 01 Feb 1867 Fri 01 Mar 1867 Tue 26 Mar 1867 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