0 1 2 3 Thu 07 Apr 1977 Sun 10 Apr 1977 Wed 13 Apr 1977 Sat 16 Apr 1977 Tue 19 Apr 1977 Fri 22 Apr 1977 Mon 25 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