0 1 2 3 Fri 06 Dec 1918 Mon 09 Dec 1918 Thu 12 Dec 1918 Sun 15 Dec 1918 Wed 18 Dec 1918 Sat 21 Dec 1918 Tue 24 Dec 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