0 1 2 3 Sat 31 Mar 1973 Thu 05 Apr 1973 Tue 10 Apr 1973 Sun 15 Apr 1973 Fri 20 Apr 1973 Wed 25 Apr 1973 Mon 30 Apr 1973 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