0 1 2 3 Tue 18 Feb 1919 Sun 23 Feb 1919 Fri 28 Feb 1919 Wed 05 Mar 1919 Mon 10 Mar 1919 Sat 15 Mar 1919 Thu 20 Mar 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