0 1 2 3 Fri 20 Feb 1981 Wed 25 Feb 1981 Mon 02 Mar 1981 Sat 07 Mar 1981 Thu 12 Mar 1981 Tue 17 Mar 1981 Sun 22 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