0 1 2 3 Sun 09 Dec 1906 Tue 01 Jan 1907 Fri 01 Feb 1907 Fri 01 Mar 1907 Wed 06 Mar 1907 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