0 1 2 3 Tue 04 May 1909 Tue 01 Jun 1909 Thu 01 Jul 1909 Sun 01 Aug 1909 Mon 02 Aug 1909 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