0 1 2 3 Wed 11 Dec 1889 Wed 01 Jan 1890 Sat 01 Feb 1890 Sat 01 Mar 1890 Tue 11 Mar 1890 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