0 1 2 3 Thu 09 Apr 1981 Sun 12 Apr 1981 Wed 15 Apr 1981 Sat 18 Apr 1981 Tue 21 Apr 1981 Fri 24 Apr 1981 Mon 27 Apr 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