0 1 2 3 Sat 10 Apr 1976 Tue 13 Apr 1976 Fri 16 Apr 1976 Mon 19 Apr 1976 Thu 22 Apr 1976 Sun 25 Apr 1976 Wed 28 Apr 1976 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