0 1 2 3 Fri 16 Feb 1917 Thu 01 Mar 1917 Sun 01 Apr 1917 Tue 01 May 1917 Thu 17 May 1917 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