0 1 2 3 Thu 28 Jan 1909 Thu 04 Feb 1909 Thu 11 Feb 1909 Thu 18 Feb 1909 Thu 25 Feb 1909 Thu 04 Mar 1909 Thu 11 Mar 1909 Thu 18 Mar 1909 Thu 25 Mar 1909 Thu 01 Apr 1909 Thu 08 Apr 1909 Fri 09 Apr 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