0 1 2 3 Thu 18 Feb 1875 Thu 25 Feb 1875 Thu 04 Mar 1875 Thu 11 Mar 1875 Thu 18 Mar 1875 Thu 25 Mar 1875 Thu 01 Apr 1875 Thu 08 Apr 1875 Thu 15 Apr 1875 Tue 20 Apr 1875 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