0 1 2 3 Tue 06 Dec 1836 Sun 01 Jan 1837 Wed 01 Feb 1837 Wed 01 Mar 1837 Mon 06 Mar 1837 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