0 1 2 3 Tue 18 Feb 1890 Sun 23 Feb 1890 Fri 28 Feb 1890 Wed 05 Mar 1890 Mon 10 Mar 1890 Sat 15 Mar 1890 Thu 20 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