0 1 2 3 Wed 21 Feb 1906 Thu 01 Mar 1906 Sun 01 Apr 1906 Tue 01 May 1906 Tue 22 May 1906 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