0 1 2 3 Mon 26 Dec 1898 Sun 01 Jan 1899 Wed 01 Feb 1899 Wed 01 Mar 1899 Thu 23 Mar 1899 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