0 1 2 3 Wed 18 Feb 1981 Mon 23 Feb 1981 Sat 28 Feb 1981 Thu 05 Mar 1981 Tue 10 Mar 1981 Sun 15 Mar 1981 Fri 20 Mar 1981 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