0 1 2 3 Mon 04 Apr 1977 Fri 08 Apr 1977 Tue 12 Apr 1977 Sat 16 Apr 1977 Wed 20 Apr 1977 Sun 24 Apr 1977 Thu 28 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