0 1 2 3 Fri 19 Dec 1902 Thu 01 Jan 1903 Sun 01 Feb 1903 Sun 01 Mar 1903 Wed 18 Mar 1903 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