0 1 2 3 Tue 25 Dec 1917 Fri 28 Dec 1917 Mon 31 Dec 1917 Thu 03 Jan 1918 Sun 06 Jan 1918 Wed 09 Jan 1918 Sat 12 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