0 1 2 3 Sun 17 Dec 1854 Mon 01 Jan 1855 Thu 01 Feb 1855 Thu 01 Mar 1855 Fri 16 Mar 1855 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