0 1 2 3 Sun 22 Dec 1918 Fri 27 Dec 1918 Wed 01 Jan 1919 Mon 06 Jan 1919 Sat 11 Jan 1919 Thu 16 Jan 1919 Tue 21 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