0 1 2 3 Thu 26 Dec 1872 Wed 01 Jan 1873 Sat 01 Feb 1873 Sat 01 Mar 1873 Wed 26 Mar 1873 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