0 1 2 3 Sat 27 Feb 1904 Tue 01 Mar 1904 Fri 01 Apr 1904 Sun 01 May 1904 Fri 27 May 1904 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