0 1 2 3 Wed 27 Dec 1905 Mon 01 Jan 1906 Thu 01 Feb 1906 Thu 01 Mar 1906 Tue 27 Mar 1906 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