0 1 2 3 Sun 01 Dec 1918 Mon 09 Dec 1918 Tue 17 Dec 1918 Wed 25 Dec 1918 Thu 02 Jan 1919 Fri 10 Jan 1919 Sat 18 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