0 1 2 3 Tue 19 Apr 1904 Sun 01 May 1904 Wed 01 Jun 1904 Fri 01 Jul 1904 Tue 19 Jul 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