0 1 2 3 Tue 04 Dec 1838 Tue 01 Jan 1839 Fri 01 Feb 1839 Fri 01 Mar 1839 Mon 04 Mar 1839 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