0 1 2 3 Wed 12 Dec 1888 Tue 01 Jan 1889 Fri 01 Feb 1889 Fri 01 Mar 1889 Tue 12 Mar 1889 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