0 1 2 3 Sun 11 Jan 1981 Mon 19 Jan 1981 Tue 27 Jan 1981 Wed 04 Feb 1981 Thu 12 Feb 1981 Fri 20 Feb 1981 Sat 28 Feb 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