0 1 2 3 Mon 21 Mar 1977 Sat 26 Mar 1977 Thu 31 Mar 1977 Tue 05 Apr 1977 Sun 10 Apr 1977 Fri 15 Apr 1977 Wed 20 Apr 1977 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