0 1 2 3 Sun 23 Feb 1873 Sat 01 Mar 1873 Tue 01 Apr 1873 Thu 01 May 1873 Fri 23 May 1873 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