0 1 2 3 Sat 21 Dec 1918 Thu 26 Dec 1918 Tue 31 Dec 1918 Sun 05 Jan 1919 Fri 10 Jan 1919 Wed 15 Jan 1919 Mon 20 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