0 1 2 3 Tue 23 Oct 1917 Thu 01 Nov 1917 Sat 01 Dec 1917 Tue 01 Jan 1918 Mon 21 Jan 1918 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