0 1 2 3 Sat 13 Feb 1875 Mon 01 Mar 1875 Thu 01 Apr 1875 Sat 01 May 1875 Thu 13 May 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