0 1 2 3 Tue 10 Dec 1918 Wed 18 Dec 1918 Thu 26 Dec 1918 Fri 03 Jan 1919 Sat 11 Jan 1919 Sun 19 Jan 1919 Mon 27 Jan 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