0 1 2 3 Sun 02 Dec 1917 Fri 07 Dec 1917 Wed 12 Dec 1917 Mon 17 Dec 1917 Sat 22 Dec 1917 Thu 27 Dec 1917 Tue 01 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