0 1 2 3 Fri 13 Mar 1981 Mon 16 Mar 1981 Thu 19 Mar 1981 Sun 22 Mar 1981 Wed 25 Mar 1981 Sat 28 Mar 1981 Tue 31 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