0 1 2 3 Sat 17 Dec 1892 Sun 01 Jan 1893 Wed 01 Feb 1893 Wed 01 Mar 1893 Sat 18 Mar 1893 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