0 1 2 3 Wed 24 Dec 1879 Thu 01 Jan 1880 Sun 01 Feb 1880 Mon 01 Mar 1880 Tue 23 Mar 1880 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