0 1 2 3 Thu 05 Dec 1918 Wed 01 Jan 1919 Sat 01 Feb 1919 Thu 27 Feb 1919 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